15915691640

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{2441057}}^1$

素因数の和:2441231

約数の個数: 32

約数和(自身を含む): 36030016080

約数和(自身を除く): 20114324440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 6520, 2441057, 4882114, 9764228, 12205285, 19528456, 24410570, 48821140, 97642280, 397892291, 795784582, 1591569164, 1989461455, 3183138328, 3978922910, 7957845820, 15915691640]

約数ペア:

[(1, 15915691640), (2, 7957845820), (4, 3978922910), (5, 3183138328), (8, 1989461455), (10, 1591569164), (20, 795784582), (40, 397892291), (163, 97642280), (326, 48821140), (652, 24410570), (815, 19528456), (1304, 12205285), (1630, 9764228), (3260, 4882114), (6520, 2441057)]