792040

素因数分解:

$2^3\times 5^1\times {\mathrm{19801}}^1$

素因数の和:19812

約数の個数: 16

約数和(自身を含む): 1782180

約数和(自身を除く): 990140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 19801, 39602, 79204, 99005, 158408, 198010, 396020, 792040]

約数ペア:

[(1, 792040), (2, 396020), (4, 198010), (5, 158408), (8, 99005), (10, 79204), (20, 39602), (40, 19801)]