42638960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{5857}}^1$

素因数の和:5890

約数の個数: 80

約数和(自身を含む): 122033856

約数和(自身を除く): 79394896

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 5857, 7280, 11714, 23428, 29285, 40999, 46856, 58570, 76141, 81998, 93712, 117140, 152282, 163996, 204995, 234280, 304564, 327992, 380705, 409990, 468560, 532987, 609128, 655984, 761410, 819980, 1065974, 1218256, 1522820, 1639960, 2131948, 2664935, 3045640, 3279920, 4263896, 5329870, 6091280, 8527792, 10659740, 21319480, 42638960]

約数ペア:

[(1, 42638960), (2, 21319480), (4, 10659740), (5, 8527792), (7, 6091280), (8, 5329870), (10, 4263896), (13, 3279920), (14, 3045640), (16, 2664935), (20, 2131948), (26, 1639960), (28, 1522820), (35, 1218256), (40, 1065974), (52, 819980), (56, 761410), (65, 655984), (70, 609128), (80, 532987), (91, 468560), (104, 409990), (112, 380705), (130, 327992), (140, 304564), (182, 234280), (208, 204995), (260, 163996), (280, 152282), (364, 117140), (455, 93712), (520, 81998), (560, 76141), (728, 58570), (910, 46856), (1040, 40999), (1456, 29285), (1820, 23428), (3640, 11714), (5857, 7280)]