40806404080

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{185957}}^1$

素因数の和:186194

約数の個数: 80

約数和(自身を含む): 102657741984

約数和(自身を除く): 61851337904

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 211, 260, 422, 520, 844, 1040, 1055, 1688, 2110, 2743, 3376, 4220, 5486, 8440, 10972, 13715, 16880, 21944, 27430, 43888, 54860, 109720, 185957, 219440, 371914, 743828, 929785, 1487656, 1859570, 2417441, 2975312, 3719140, 4834882, 7438280, 9669764, 12087205, 14876560, 19339528, 24174410, 38679056, 39236927, 48348820, 78473854, 96697640, 156947708, 193395280, 196184635, 313895416, 392369270, 510080051, 627790832, 784738540, 1020160102, 1569477080, 2040320204, 2550400255, 3138954160, 4080640408, 5100800510, 8161280816, 10201601020, 20403202040, 40806404080]

約数ペア:

[(1, 40806404080), (2, 20403202040), (4, 10201601020), (5, 8161280816), (8, 5100800510), (10, 4080640408), (13, 3138954160), (16, 2550400255), (20, 2040320204), (26, 1569477080), (40, 1020160102), (52, 784738540), (65, 627790832), (80, 510080051), (104, 392369270), (130, 313895416), (208, 196184635), (211, 193395280), (260, 156947708), (422, 96697640), (520, 78473854), (844, 48348820), (1040, 39236927), (1055, 38679056), (1688, 24174410), (2110, 19339528), (2743, 14876560), (3376, 12087205), (4220, 9669764), (5486, 7438280), (8440, 4834882), (10972, 3719140), (13715, 2975312), (16880, 2417441), (21944, 1859570), (27430, 1487656), (43888, 929785), (54860, 743828), (109720, 371914), (185957, 219440)]