39370180

素因数分解:

$2^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{4909}}^1$

素因数の和:5319

約数の個数: 24

約数和(自身を含む): 82900440

約数和(自身を除く): 43530260

約数列:

[1, 2, 4, 5, 10, 20, 401, 802, 1604, 2005, 4010, 4909, 8020, 9818, 19636, 24545, 49090, 98180, 1968509, 3937018, 7874036, 9842545, 19685090, 39370180]

約数ペア:

[(1, 39370180), (2, 19685090), (4, 9842545), (5, 7874036), (10, 3937018), (20, 1968509), (401, 98180), (802, 49090), (1604, 24545), (2005, 19636), (4010, 9818), (4909, 8020)]