66581260

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{32321}}^1$

素因数の和:32433

約数の個数: 24

約数和(自身を含む): 141182496

約数和(自身を除く): 74601236

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 2060, 32321, 64642, 129284, 161605, 323210, 646420, 3329063, 6658126, 13316252, 16645315, 33290630, 66581260]

約数ペア:

[(1, 66581260), (2, 33290630), (4, 16645315), (5, 13316252), (10, 6658126), (20, 3329063), (103, 646420), (206, 323210), (412, 161605), (515, 129284), (1030, 64642), (2060, 32321)]