1685051920

素因数分解:

$2^4\times 5^1\times {\mathrm{21063149}}^1$

素因数の和:21063162

約数の個数: 20

約数和(自身を含む): 3917745900

約数和(自身を除く): 2232693980

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 21063149, 42126298, 84252596, 105315745, 168505192, 210631490, 337010384, 421262980, 842525960, 1685051920]

約数ペア:

[(1, 1685051920), (2, 842525960), (4, 421262980), (5, 337010384), (8, 210631490), (10, 168505192), (16, 105315745), (20, 84252596), (40, 42126298), (80, 21063149)]