31912540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13187}}^1$

素因数の和:13218

約数の個数: 36

約数和(自身を含む): 73668168

約数和(自身を除く): 41755628

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 13187, 26374, 52748, 65935, 131870, 145057, 263740, 290114, 580228, 725285, 1450570, 1595627, 2901140, 3191254, 6382508, 7978135, 15956270, 31912540]

約数ペア:

[(1, 31912540), (2, 15956270), (4, 7978135), (5, 6382508), (10, 3191254), (11, 2901140), (20, 1595627), (22, 1450570), (44, 725285), (55, 580228), (110, 290114), (121, 263740), (220, 145057), (242, 131870), (484, 65935), (605, 52748), (1210, 26374), (2420, 13187)]