25898420

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{12821}}^1$

素因数の和:12931

約数の個数: 24

約数和(自身を含む): 54929448

約数和(自身を除く): 29031028

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 12821, 25642, 51284, 64105, 128210, 256420, 1294921, 2589842, 5179684, 6474605, 12949210, 25898420]

約数ペア:

[(1, 25898420), (2, 12949210), (4, 6474605), (5, 5179684), (10, 2589842), (20, 1294921), (101, 256420), (202, 128210), (404, 64105), (505, 51284), (1010, 25642), (2020, 12821)]