57812840

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{8867}}^1$

素因数の和:9041

約数の個数: 32

約数和(自身を含む): 130891680

約数和(自身を除く): 73078840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 6520, 8867, 17734, 35468, 44335, 70936, 88670, 177340, 354680, 1445321, 2890642, 5781284, 7226605, 11562568, 14453210, 28906420, 57812840]

約数ペア:

[(1, 57812840), (2, 28906420), (4, 14453210), (5, 11562568), (8, 7226605), (10, 5781284), (20, 2890642), (40, 1445321), (163, 354680), (326, 177340), (652, 88670), (815, 70936), (1304, 44335), (1630, 35468), (3260, 17734), (6520, 8867)]