211397960

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{32423}}^1$

素因数の和:32597

約数の個数: 32

約数和(自身を含む): 478578240

約数和(自身を除く): 267180280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 6520, 32423, 64846, 129692, 162115, 259384, 324230, 648460, 1296920, 5284949, 10569898, 21139796, 26424745, 42279592, 52849490, 105698980, 211397960]

約数ペア:

[(1, 211397960), (2, 105698980), (4, 52849490), (5, 42279592), (8, 26424745), (10, 21139796), (20, 10569898), (40, 5284949), (163, 1296920), (326, 648460), (652, 324230), (815, 259384), (1304, 162115), (1630, 129692), (3260, 64846), (6520, 32423)]