16856360

素因数分解:

$2^3\times 5^1\times {\mathrm{421409}}^1$

素因数の和:421420

約数の個数: 16

約数和(自身を含む): 37926900

約数和(自身を除く): 21070540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 421409, 842818, 1685636, 2107045, 3371272, 4214090, 8428180, 16856360]

約数ペア:

[(1, 16856360), (2, 8428180), (4, 4214090), (5, 3371272), (8, 2107045), (10, 1685636), (20, 842818), (40, 421409)]