56220980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{90679}}^1$

素因数の和:90719

約数の個数: 24

約数和(自身を含む): 121873920

約数和(自身を除く): 65652940

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 90679, 181358, 362716, 453395, 906790, 1813580, 2811049, 5622098, 11244196, 14055245, 28110490, 56220980]

約数ペア:

[(1, 56220980), (2, 28110490), (4, 14055245), (5, 11244196), (10, 5622098), (20, 2811049), (31, 1813580), (62, 906790), (124, 453395), (155, 362716), (310, 181358), (620, 90679)]