2128492040

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{211}}^1\times {\mathrm{6151}}^1$

素因数の和:6414

約数の個数: 64

約数和(自身を含む): 4929966720

約数和(自身を除く): 2801474680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 211, 328, 410, 422, 820, 844, 1055, 1640, 1688, 2110, 4220, 6151, 8440, 8651, 12302, 17302, 24604, 30755, 34604, 43255, 49208, 61510, 69208, 86510, 123020, 173020, 246040, 252191, 346040, 504382, 1008764, 1260955, 1297861, 2017528, 2521910, 2595722, 5043820, 5191444, 6489305, 10087640, 10382888, 12978610, 25957220, 51914440, 53212301, 106424602, 212849204, 266061505, 425698408, 532123010, 1064246020, 2128492040]

約数ペア:

[(1, 2128492040), (2, 1064246020), (4, 532123010), (5, 425698408), (8, 266061505), (10, 212849204), (20, 106424602), (40, 53212301), (41, 51914440), (82, 25957220), (164, 12978610), (205, 10382888), (211, 10087640), (328, 6489305), (410, 5191444), (422, 5043820), (820, 2595722), (844, 2521910), (1055, 2017528), (1640, 1297861), (1688, 1260955), (2110, 1008764), (4220, 504382), (6151, 346040), (8440, 252191), (8651, 246040), (12302, 173020), (17302, 123020), (24604, 86510), (30755, 69208), (34604, 61510), (43255, 49208)]