79956020

素因数分解:

$2^2\times 5^1\times {\mathrm{3997801}}^1$

素因数の和:3997810

約数の個数: 12

約数和(自身を含む): 167907684

約数和(自身を除く): 87951664

約数列:

[1, 2, 4, 5, 10, 20, 3997801, 7995602, 15991204, 19989005, 39978010, 79956020]

約数ペア:

[(1, 79956020), (2, 39978010), (4, 19989005), (5, 15991204), (10, 7995602), (20, 3997801)]