42471280

素因数分解:

$2^4\times 5^1\times {\mathrm{163}}^1\times {\mathrm{3257}}^1$

素因数の和:3433

約数の個数: 40

約数和(自身を含む): 99382032

約数和(自身を除く): 56910752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 163, 326, 652, 815, 1304, 1630, 2608, 3257, 3260, 6514, 6520, 13028, 13040, 16285, 26056, 32570, 52112, 65140, 130280, 260560, 530891, 1061782, 2123564, 2654455, 4247128, 5308910, 8494256, 10617820, 21235640, 42471280]

約数ペア:

[(1, 42471280), (2, 21235640), (4, 10617820), (5, 8494256), (8, 5308910), (10, 4247128), (16, 2654455), (20, 2123564), (40, 1061782), (80, 530891), (163, 260560), (326, 130280), (652, 65140), (815, 52112), (1304, 32570), (1630, 26056), (2608, 16285), (3257, 13040), (3260, 13028), (6514, 6520)]