56223640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127781}}^1$

素因数の和:127803

約数の個数: 32

約数和(自身を含む): 138004560

約数和(自身を除く): 81780920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 127781, 255562, 511124, 638905, 1022248, 1277810, 1405591, 2555620, 2811182, 5111240, 5622364, 7027955, 11244728, 14055910, 28111820, 56223640]

約数ペア:

[(1, 56223640), (2, 28111820), (4, 14055910), (5, 11244728), (8, 7027955), (10, 5622364), (11, 5111240), (20, 2811182), (22, 2555620), (40, 1405591), (44, 1277810), (55, 1022248), (88, 638905), (110, 511124), (220, 255562), (440, 127781)]