1330357360

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{248201}}^1$

素因数の和:248281

約数の個数: 40

約数和(自身を含む): 3139258896

約数和(自身を除く): 1808901536

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 268, 335, 536, 670, 1072, 1340, 2680, 5360, 248201, 496402, 992804, 1241005, 1985608, 2482010, 3971216, 4964020, 9928040, 16629467, 19856080, 33258934, 66517868, 83147335, 133035736, 166294670, 266071472, 332589340, 665178680, 1330357360]

約数ペア:

[(1, 1330357360), (2, 665178680), (4, 332589340), (5, 266071472), (8, 166294670), (10, 133035736), (16, 83147335), (20, 66517868), (40, 33258934), (67, 19856080), (80, 16629467), (134, 9928040), (268, 4964020), (335, 3971216), (536, 2482010), (670, 1985608), (1072, 1241005), (1340, 992804), (2680, 496402), (5360, 248201)]