40662740

素因数分解:

$2^2\times 5^1\times {\mathrm{977}}^1\times {\mathrm{2081}}^1$

素因数の和:3067

約数の個数: 24

約数和(自身を含む): 85520232

約数和(自身を除く): 44857492

約数列:

[1, 2, 4, 5, 10, 20, 977, 1954, 2081, 3908, 4162, 4885, 8324, 9770, 10405, 19540, 20810, 41620, 2033137, 4066274, 8132548, 10165685, 20331370, 40662740]

約数ペア:

[(1, 40662740), (2, 20331370), (4, 10165685), (5, 8132548), (10, 4066274), (20, 2033137), (977, 41620), (1954, 20810), (2081, 19540), (3908, 10405), (4162, 9770), (4885, 8324)]