71986660

素因数分解:

$2^2\times 5^1\times {\mathrm{1609}}^1\times {\mathrm{2237}}^1$

素因数の和:3855

約数の個数: 24

約数和(自身を含む): 151333560

約数和(自身を除く): 79346900

約数列:

[1, 2, 4, 5, 10, 20, 1609, 2237, 3218, 4474, 6436, 8045, 8948, 11185, 16090, 22370, 32180, 44740, 3599333, 7198666, 14397332, 17996665, 35993330, 71986660]

約数ペア:

[(1, 71986660), (2, 35993330), (4, 17996665), (5, 14397332), (10, 7198666), (20, 3599333), (1609, 44740), (2237, 32180), (3218, 22370), (4474, 16090), (6436, 11185), (8045, 8948)]