2501427640

素因数分解:

$2^3\times 5^1\times {\mathrm{409}}^1\times {\mathrm{152899}}^1$

素因数の和:153319

約数の個数: 32

約数和(自身を含む): 5642010000

約数和(自身を除く): 3140582360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 409, 818, 1636, 2045, 3272, 4090, 8180, 16360, 152899, 305798, 611596, 764495, 1223192, 1528990, 3057980, 6115960, 62535691, 125071382, 250142764, 312678455, 500285528, 625356910, 1250713820, 2501427640]

約数ペア:

[(1, 2501427640), (2, 1250713820), (4, 625356910), (5, 500285528), (8, 312678455), (10, 250142764), (20, 125071382), (40, 62535691), (409, 6115960), (818, 3057980), (1636, 1528990), (2045, 1223192), (3272, 764495), (4090, 611596), (8180, 305798), (16360, 152899)]