79660120

素因数分解:

$2^3\times 5^1\times {\mathrm{1991503}}^1$

素因数の和:1991514

約数の個数: 16

約数和(自身を含む): 179235360

約数和(自身を除く): 99575240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1991503, 3983006, 7966012, 9957515, 15932024, 19915030, 39830060, 79660120]

約数ペア:

[(1, 79660120), (2, 39830060), (4, 19915030), (5, 15932024), (8, 9957515), (10, 7966012), (20, 3983006), (40, 1991503)]