31886660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{4229}}^1$

素因数の和:4280

約数の個数: 48

約数和(自身を含む): 74617200

約数和(自身を除く): 42730540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 65, 116, 130, 145, 260, 290, 377, 580, 754, 1508, 1885, 3770, 4229, 7540, 8458, 16916, 21145, 42290, 54977, 84580, 109954, 122641, 219908, 245282, 274885, 490564, 549770, 613205, 1099540, 1226410, 1594333, 2452820, 3188666, 6377332, 7971665, 15943330, 31886660]

約数ペア:

[(1, 31886660), (2, 15943330), (4, 7971665), (5, 6377332), (10, 3188666), (13, 2452820), (20, 1594333), (26, 1226410), (29, 1099540), (52, 613205), (58, 549770), (65, 490564), (116, 274885), (130, 245282), (145, 219908), (260, 122641), (290, 109954), (377, 84580), (580, 54977), (754, 42290), (1508, 21145), (1885, 16916), (3770, 8458), (4229, 7540)]