31489660

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{10567}}^1$

素因数の和:10725

約数の個数: 24

約数和(自身を含む): 66578400

約数和(自身を除く): 35088740

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 745, 1490, 2980, 10567, 21134, 42268, 52835, 105670, 211340, 1574483, 3148966, 6297932, 7872415, 15744830, 31489660]

約数ペア:

[(1, 31489660), (2, 15744830), (4, 7872415), (5, 6297932), (10, 3148966), (20, 1574483), (149, 211340), (298, 105670), (596, 52835), (745, 42268), (1490, 21134), (2980, 10567)]