40974020

素因数分解:

$2^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{9187}}^1$

素因数の和:9419

約数の個数: 24

約数和(自身を含む): 86440704

約数和(自身を除く): 45466684

約数列:

[1, 2, 4, 5, 10, 20, 223, 446, 892, 1115, 2230, 4460, 9187, 18374, 36748, 45935, 91870, 183740, 2048701, 4097402, 8194804, 10243505, 20487010, 40974020]

約数ペア:

[(1, 40974020), (2, 20487010), (4, 10243505), (5, 8194804), (10, 4097402), (20, 2048701), (223, 183740), (446, 91870), (892, 45935), (1115, 36748), (2230, 18374), (4460, 9187)]