66528380

素因数分解:

$2^2\times 5^1\times {\mathrm{1487}}^1\times {\mathrm{2237}}^1$

素因数の和:3733

約数の個数: 24

約数和(自身を含む): 139866048

約数和(自身を除く): 73337668

約数列:

[1, 2, 4, 5, 10, 20, 1487, 2237, 2974, 4474, 5948, 7435, 8948, 11185, 14870, 22370, 29740, 44740, 3326419, 6652838, 13305676, 16632095, 33264190, 66528380]

約数ペア:

[(1, 66528380), (2, 33264190), (4, 16632095), (5, 13305676), (10, 6652838), (20, 3326419), (1487, 44740), (2237, 29740), (2974, 22370), (4474, 14870), (5948, 11185), (7435, 8948)]