1025747840

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1$

素因数の和:201

約数の個数: 256

約数和(自身を含む): 2821271040

約数和(自身を除く): 1795523200

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 41, 52, 62, 64, 65, 80, 82, 97, 104, 124, 128, 130, 155, 160, 164, 194, 205, 208, 248, 260, 310, 320, 328, 388, 403, 410, 416, 485, 496, 520, 533, 620, 640, 656, 776, 806, 820, 832, 970, 992, 1040, 1066, 1240, 1261, 1271, 1312, 1552, 1612, 1640, 1664, 1940, 1984, 2015, 2080, 2132, 2480, 2522, 2542, 2624, 2665, 3007, 3104, 3224, 3280, 3880, 3968, 3977, 4030, 4160, 4264, 4960, 5044, 5084, 5248, 5330, 6014, 6208, 6305, 6355, 6448, 6560, 7760, 7954, 8060, 8320, 8528, 9920, 10088, 10168, 10660, 12028, 12416, 12610, 12710, 12896, 13120, 15035, 15520, 15908, 16120, 16523, 17056, 19840, 19885, 20176, 20336, 21320, 24056, 25220, 25420, 25792, 26240, 30070, 31040, 31816, 32240, 33046, 34112, 39091, 39770, 40352, 40672, 42640, 48112, 50440, 50840, 51584, 51701, 60140, 62080, 63632, 64480, 66092, 68224, 78182, 79540, 80704, 81344, 82615, 85280, 96224, 100880, 101680, 103402, 120280, 123287, 127264, 128960, 132184, 156364, 159080, 161408, 162688, 165230, 170560, 192448, 195455, 201760, 203360, 206804, 240560, 246574, 254528, 257920, 258505, 264368, 312728, 318160, 330460, 341120, 384896, 390910, 403520, 406720, 413608, 481120, 493148, 509056, 517010, 528736, 616435, 625456, 636320, 660920, 781820, 807040, 813440, 827216, 962240, 986296, 1034020, 1057472, 1232870, 1250912, 1272640, 1321840, 1563640, 1602731, 1654432, 1924480, 1972592, 2068040, 2114944, 2465740, 2501824, 2545280, 2643680, 3127280, 3205462, 3308864, 3945184, 4136080, 4931480, 5003648, 5287360, 6254560, 6410924, 6617728, 7890368, 8013655, 8272160, 9862960, 10574720, 12509120, 12821848, 15780736, 16027310, 16544320, 19725920, 25018240, 25643696, 32054620, 33088640, 39451840, 51287392, 64109240, 78903680, 102574784, 128218480, 205149568, 256436960, 512873920, 1025747840]

約数ペア:

[(1, 1025747840), (2, 512873920), (4, 256436960), (5, 205149568), (8, 128218480), (10, 102574784), (13, 78903680), (16, 64109240), (20, 51287392), (26, 39451840), (31, 33088640), (32, 32054620), (40, 25643696), (41, 25018240), (52, 19725920), (62, 16544320), (64, 16027310), (65, 15780736), (80, 12821848), (82, 12509120), (97, 10574720), (104, 9862960), (124, 8272160), (128, 8013655), (130, 7890368), (155, 6617728), (160, 6410924), (164, 6254560), (194, 5287360), (205, 5003648), (208, 4931480), (248, 4136080), (260, 3945184), (310, 3308864), (320, 3205462), (328, 3127280), (388, 2643680), (403, 2545280), (410, 2501824), (416, 2465740), (485, 2114944), (496, 2068040), (520, 1972592), (533, 1924480), (620, 1654432), (640, 1602731), (656, 1563640), (776, 1321840), (806, 1272640), (820, 1250912), (832, 1232870), (970, 1057472), (992, 1034020), (1040, 986296), (1066, 962240), (1240, 827216), (1261, 813440), (1271, 807040), (1312, 781820), (1552, 660920), (1612, 636320), (1640, 625456), (1664, 616435), (1940, 528736), (1984, 517010), (2015, 509056), (2080, 493148), (2132, 481120), (2480, 413608), (2522, 406720), (2542, 403520), (2624, 390910), (2665, 384896), (3007, 341120), (3104, 330460), (3224, 318160), (3280, 312728), (3880, 264368), (3968, 258505), (3977, 257920), (4030, 254528), (4160, 246574), (4264, 240560), (4960, 206804), (5044, 203360), (5084, 201760), (5248, 195455), (5330, 192448), (6014, 170560), (6208, 165230), (6305, 162688), (6355, 161408), (6448, 159080), (6560, 156364), (7760, 132184), (7954, 128960), (8060, 127264), (8320, 123287), (8528, 120280), (9920, 103402), (10088, 101680), (10168, 100880), (10660, 96224), (12028, 85280), (12416, 82615), (12610, 81344), (12710, 80704), (12896, 79540), (13120, 78182), (15035, 68224), (15520, 66092), (15908, 64480), (16120, 63632), (16523, 62080), (17056, 60140), (19840, 51701), (19885, 51584), (20176, 50840), (20336, 50440), (21320, 48112), (24056, 42640), (25220, 40672), (25420, 40352), (25792, 39770), (26240, 39091), (30070, 34112), (31040, 33046), (31816, 32240)]