20199839360

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{499}}^1\times {\mathrm{3329}}^1$

素因数の和:3866

約数の個数: 128

約数和(自身を含む): 50949000000

約数和(自身を除く): 30749160640

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 304, 320, 380, 499, 608, 640, 760, 998, 1216, 1520, 1996, 2432, 2495, 3040, 3329, 3992, 4990, 6080, 6658, 7984, 9481, 9980, 12160, 13316, 15968, 16645, 18962, 19960, 26632, 31936, 33290, 37924, 39920, 47405, 53264, 63251, 63872, 66580, 75848, 79840, 94810, 106528, 126502, 133160, 151696, 159680, 189620, 213056, 253004, 266320, 303392, 316255, 319360, 379240, 426112, 506008, 532640, 606784, 632510, 758480, 1012016, 1065280, 1213568, 1265020, 1516960, 1661171, 2024032, 2130560, 2530040, 3033920, 3322342, 4048064, 5060080, 6067840, 6644684, 8096128, 8305855, 10120160, 13289368, 16611710, 20240320, 26578736, 31562249, 33223420, 40480640, 53157472, 63124498, 66446840, 106314944, 126248996, 132893680, 157811245, 212629888, 252497992, 265787360, 315622490, 504995984, 531574720, 631244980, 1009991968, 1063149440, 1262489960, 2019983936, 2524979920, 4039967872, 5049959840, 10099919680, 20199839360]

約数ペア:

[(1, 20199839360), (2, 10099919680), (4, 5049959840), (5, 4039967872), (8, 2524979920), (10, 2019983936), (16, 1262489960), (19, 1063149440), (20, 1009991968), (32, 631244980), (38, 531574720), (40, 504995984), (64, 315622490), (76, 265787360), (80, 252497992), (95, 212629888), (128, 157811245), (152, 132893680), (160, 126248996), (190, 106314944), (304, 66446840), (320, 63124498), (380, 53157472), (499, 40480640), (608, 33223420), (640, 31562249), (760, 26578736), (998, 20240320), (1216, 16611710), (1520, 13289368), (1996, 10120160), (2432, 8305855), (2495, 8096128), (3040, 6644684), (3329, 6067840), (3992, 5060080), (4990, 4048064), (6080, 3322342), (6658, 3033920), (7984, 2530040), (9481, 2130560), (9980, 2024032), (12160, 1661171), (13316, 1516960), (15968, 1265020), (16645, 1213568), (18962, 1065280), (19960, 1012016), (26632, 758480), (31936, 632510), (33290, 606784), (37924, 532640), (39920, 506008), (47405, 426112), (53264, 379240), (63251, 319360), (63872, 316255), (66580, 303392), (75848, 266320), (79840, 253004), (94810, 213056), (106528, 189620), (126502, 159680), (133160, 151696)]