3936980

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{1949}}^1$

素因数の和:2059

約数の個数: 24

約数和(自身を含む): 8353800

約数和(自身を除く): 4416820

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 1949, 2020, 3898, 7796, 9745, 19490, 38980, 196849, 393698, 787396, 984245, 1968490, 3936980]

約数ペア:

[(1, 3936980), (2, 1968490), (4, 984245), (5, 787396), (10, 393698), (20, 196849), (101, 38980), (202, 19490), (404, 9745), (505, 7796), (1010, 3898), (1949, 2020)]