1808738480

素因数分解:

$2^4\times 5^1\times {\mathrm{22609231}}^1$

素因数の和:22609244

約数の個数: 20

約数和(自身を含む): 4205317152

約数和(自身を除く): 2396578672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 22609231, 45218462, 90436924, 113046155, 180873848, 226092310, 361747696, 452184620, 904369240, 1808738480]

約数ペア:

[(1, 1808738480), (2, 904369240), (4, 452184620), (5, 361747696), (8, 226092310), (10, 180873848), (16, 113046155), (20, 90436924), (40, 45218462), (80, 22609231)]