1581140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{7187}}^1$

素因数の和:7207

約数の個数: 24

約数和(自身を含む): 3622752

約数和(自身を除く): 2041612

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 7187, 14374, 28748, 35935, 71870, 79057, 143740, 158114, 316228, 395285, 790570, 1581140]

約数ペア:

[(1, 1581140), (2, 790570), (4, 395285), (5, 316228), (10, 158114), (11, 143740), (20, 79057), (22, 71870), (44, 35935), (55, 28748), (110, 14374), (220, 7187)]