40485020

素因数分解:

$2^2\times 5^1\times {\mathrm{461}}^1\times {\mathrm{4391}}^1$

素因数の和:4861

約数の個数: 24

約数和(自身を含む): 85222368

約数和(自身を除く): 44737348

約数列:

[1, 2, 4, 5, 10, 20, 461, 922, 1844, 2305, 4391, 4610, 8782, 9220, 17564, 21955, 43910, 87820, 2024251, 4048502, 8097004, 10121255, 20242510, 40485020]

約数ペア:

[(1, 40485020), (2, 20242510), (4, 10121255), (5, 8097004), (10, 4048502), (20, 2024251), (461, 87820), (922, 43910), (1844, 21955), (2305, 17564), (4391, 9220), (4610, 8782)]