39979745

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{8663}}^1$

素因数の和:8752

約数の個数: 16

約数和(自身を含む): 52399872

約数和(自身を除く): 12420127

約数列:

[1, 5, 13, 65, 71, 355, 923, 4615, 8663, 43315, 112619, 563095, 615073, 3075365, 7995949, 39979745]

約数ペア:

[(1, 39979745), (5, 7995949), (13, 3075365), (65, 615073), (71, 563095), (355, 112619), (923, 43315), (4615, 8663)]