51116360

素因数分解:

$2^3\times 5^1\times {\mathrm{1277909}}^1$

素因数の和:1277920

約数の個数: 16

約数和(自身を含む): 115011900

約数和(自身を除く): 63895540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1277909, 2555818, 5111636, 6389545, 10223272, 12779090, 25558180, 51116360]

約数ペア:

[(1, 51116360), (2, 25558180), (4, 12779090), (5, 10223272), (8, 6389545), (10, 5111636), (20, 2555818), (40, 1277909)]