78240160

素因数分解:

$2^5\times 5^1\times {\mathrm{489001}}^1$

素因数の和:489016

約数の個数: 24

約数和(自身を含む): 184842756

約数和(自身を除く): 106602596

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 489001, 978002, 1956004, 2445005, 3912008, 4890010, 7824016, 9780020, 15648032, 19560040, 39120080, 78240160]

約数ペア:

[(1, 78240160), (2, 39120080), (4, 19560040), (5, 15648032), (8, 9780020), (10, 7824016), (16, 4890010), (20, 3912008), (32, 2445005), (40, 1956004), (80, 978002), (160, 489001)]