15830960

素因数分解:

$2^4\times 5^1\times {\mathrm{197887}}^1$

素因数の和:197900

約数の個数: 20

約数和(自身を含む): 36807168

約数和(自身を除く): 20976208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 197887, 395774, 791548, 989435, 1583096, 1978870, 3166192, 3957740, 7915480, 15830960]

約数ペア:

[(1, 15830960), (2, 7915480), (4, 3957740), (5, 3166192), (8, 1978870), (10, 1583096), (16, 989435), (20, 791548), (40, 395774), (80, 197887)]