72523540

素因数分解:

$2^2\times 5^1\times {\mathrm{1621}}^1\times {\mathrm{2237}}^1$

素因数の和:3867

約数の個数: 24

約数和(自身を含む): 152461512

約数和(自身を除く): 79937972

約数列:

[1, 2, 4, 5, 10, 20, 1621, 2237, 3242, 4474, 6484, 8105, 8948, 11185, 16210, 22370, 32420, 44740, 3626177, 7252354, 14504708, 18130885, 36261770, 72523540]

約数ペア:

[(1, 72523540), (2, 36261770), (4, 18130885), (5, 14504708), (10, 7252354), (20, 3626177), (1621, 44740), (2237, 32420), (3242, 22370), (4474, 16210), (6484, 11185), (8105, 8948)]