31807820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{887}}^1$

素因数の和:1070

約数の個数: 48

約数和(自身を含む): 73398528

約数和(自身を除く): 41590708

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 163, 220, 326, 652, 815, 887, 1630, 1774, 1793, 3260, 3548, 3586, 4435, 7172, 8870, 8965, 9757, 17740, 17930, 19514, 35860, 39028, 48785, 97570, 144581, 195140, 289162, 578324, 722905, 1445810, 1590391, 2891620, 3180782, 6361564, 7951955, 15903910, 31807820]

約数ペア:

[(1, 31807820), (2, 15903910), (4, 7951955), (5, 6361564), (10, 3180782), (11, 2891620), (20, 1590391), (22, 1445810), (44, 722905), (55, 578324), (110, 289162), (163, 195140), (220, 144581), (326, 97570), (652, 48785), (815, 39028), (887, 35860), (1630, 19514), (1774, 17930), (1793, 17740), (3260, 9757), (3548, 8965), (3586, 8870), (4435, 7172)]