20984574080

素因数分解:

$2^7\times 5^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{191}}^1$

素因数の和:383

約数の個数: 256

約数和(自身を含む): 53299814400

約数和(自身を除く): 32315240320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 53, 64, 79, 80, 82, 106, 128, 158, 160, 164, 191, 205, 212, 265, 316, 320, 328, 382, 395, 410, 424, 530, 632, 640, 656, 764, 790, 820, 848, 955, 1060, 1264, 1312, 1528, 1580, 1640, 1696, 1910, 2120, 2173, 2528, 2624, 3056, 3160, 3239, 3280, 3392, 3820, 4187, 4240, 4346, 5056, 5248, 6112, 6320, 6478, 6560, 6784, 7640, 7831, 8374, 8480, 8692, 10112, 10123, 10865, 12224, 12640, 12956, 13120, 15089, 15280, 15662, 16195, 16748, 16960, 17384, 20246, 20935, 21730, 24448, 25280, 25912, 26240, 30178, 30560, 31324, 32390, 33496, 33920, 34768, 39155, 40492, 41870, 43460, 50560, 50615, 51824, 60356, 61120, 62648, 64780, 66992, 69536, 75445, 78310, 80984, 83740, 86920, 101230, 103648, 120712, 122240, 125296, 129560, 133984, 139072, 150890, 156620, 161968, 167480, 171667, 173840, 202460, 207296, 241424, 250592, 259120, 267968, 278144, 301780, 313240, 323936, 334960, 343334, 347680, 404920, 414592, 415043, 482848, 501184, 518240, 535936, 603560, 618649, 626480, 647872, 669920, 686668, 695360, 799717, 809840, 830086, 858335, 965696, 1002368, 1036480, 1207120, 1237298, 1252960, 1295744, 1339840, 1373336, 1390720, 1599434, 1619680, 1660172, 1716670, 1931392, 2072960, 2075215, 2414240, 2474596, 2505920, 2679680, 2746672, 3093245, 3198868, 3239360, 3320344, 3433340, 3998585, 4150430, 4828480, 4949192, 5011840, 5493344, 6186490, 6397736, 6478720, 6640688, 6866680, 7997170, 8300860, 9656960, 9898384, 10986688, 12372980, 12795472, 13281376, 13733360, 15994340, 16601720, 19796768, 21973376, 24745960, 25590944, 26562752, 27466720, 31988680, 32788397, 33203440, 39593536, 49491920, 51181888, 53125504, 54933440, 63977360, 65576794, 66406880, 79187072, 98983840, 102363776, 109866880, 127954720, 131153588, 132813760, 163941985, 197967680, 255909440, 262307176, 265627520, 327883970, 395935360, 511818880, 524614352, 655767940, 1049228704, 1311535880, 2098457408, 2623071760, 4196914816, 5246143520, 10492287040, 20984574080]

約数ペア:

[(1, 20984574080), (2, 10492287040), (4, 5246143520), (5, 4196914816), (8, 2623071760), (10, 2098457408), (16, 1311535880), (20, 1049228704), (32, 655767940), (40, 524614352), (41, 511818880), (53, 395935360), (64, 327883970), (79, 265627520), (80, 262307176), (82, 255909440), (106, 197967680), (128, 163941985), (158, 132813760), (160, 131153588), (164, 127954720), (191, 109866880), (205, 102363776), (212, 98983840), (265, 79187072), (316, 66406880), (320, 65576794), (328, 63977360), (382, 54933440), (395, 53125504), (410, 51181888), (424, 49491920), (530, 39593536), (632, 33203440), (640, 32788397), (656, 31988680), (764, 27466720), (790, 26562752), (820, 25590944), (848, 24745960), (955, 21973376), (1060, 19796768), (1264, 16601720), (1312, 15994340), (1528, 13733360), (1580, 13281376), (1640, 12795472), (1696, 12372980), (1910, 10986688), (2120, 9898384), (2173, 9656960), (2528, 8300860), (2624, 7997170), (3056, 6866680), (3160, 6640688), (3239, 6478720), (3280, 6397736), (3392, 6186490), (3820, 5493344), (4187, 5011840), (4240, 4949192), (4346, 4828480), (5056, 4150430), (5248, 3998585), (6112, 3433340), (6320, 3320344), (6478, 3239360), (6560, 3198868), (6784, 3093245), (7640, 2746672), (7831, 2679680), (8374, 2505920), (8480, 2474596), (8692, 2414240), (10112, 2075215), (10123, 2072960), (10865, 1931392), (12224, 1716670), (12640, 1660172), (12956, 1619680), (13120, 1599434), (15089, 1390720), (15280, 1373336), (15662, 1339840), (16195, 1295744), (16748, 1252960), (16960, 1237298), (17384, 1207120), (20246, 1036480), (20935, 1002368), (21730, 965696), (24448, 858335), (25280, 830086), (25912, 809840), (26240, 799717), (30178, 695360), (30560, 686668), (31324, 669920), (32390, 647872), (33496, 626480), (33920, 618649), (34768, 603560), (39155, 535936), (40492, 518240), (41870, 501184), (43460, 482848), (50560, 415043), (50615, 414592), (51824, 404920), (60356, 347680), (61120, 343334), (62648, 334960), (64780, 323936), (66992, 313240), (69536, 301780), (75445, 278144), (78310, 267968), (80984, 259120), (83740, 250592), (86920, 241424), (101230, 207296), (103648, 202460), (120712, 173840), (122240, 171667), (125296, 167480), (129560, 161968), (133984, 156620), (139072, 150890)]