40753220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{65731}}^1$

素因数の和:65771

約数の個数: 24

約数和(自身を含む): 88343808

約数和(自身を除く): 47590588

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 65731, 131462, 262924, 328655, 657310, 1314620, 2037661, 4075322, 8150644, 10188305, 20376610, 40753220]

約数ペア:

[(1, 40753220), (2, 20376610), (4, 10188305), (5, 8150644), (10, 4075322), (20, 2037661), (31, 1314620), (62, 657310), (124, 328655), (155, 262924), (310, 131462), (620, 65731)]