507239140

素因数分解:

$2^2\times 5^1\times {\mathrm{1597}}^1\times {\mathrm{15881}}^1$

素因数の和:17487

約数の個数: 24

約数和(自身を含む): 1065936312

約数和(自身を除く): 558697172

約数列:

[1, 2, 4, 5, 10, 20, 1597, 3194, 6388, 7985, 15881, 15970, 31762, 31940, 63524, 79405, 158810, 317620, 25361957, 50723914, 101447828, 126809785, 253619570, 507239140]

約数ペア:

[(1, 507239140), (2, 253619570), (4, 126809785), (5, 101447828), (10, 50723914), (20, 25361957), (1597, 317620), (3194, 158810), (6388, 79405), (7985, 63524), (15881, 31940), (15970, 31762)]