56122120

素因数分解:

$2^3\times 5^1\times {\mathrm{521}}^1\times {\mathrm{2693}}^1$

素因数の和:3225

約数の個数: 32

約数和(自身を含む): 126564120

約数和(自身を除く): 70442000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 521, 1042, 2084, 2605, 2693, 4168, 5210, 5386, 10420, 10772, 13465, 20840, 21544, 26930, 53860, 107720, 1403053, 2806106, 5612212, 7015265, 11224424, 14030530, 28061060, 56122120]

約数ペア:

[(1, 56122120), (2, 28061060), (4, 14030530), (5, 11224424), (8, 7015265), (10, 5612212), (20, 2806106), (40, 1403053), (521, 107720), (1042, 53860), (2084, 26930), (2605, 21544), (2693, 20840), (4168, 13465), (5210, 10772), (5386, 10420)]