25090420

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{12421}}^1$

素因数の和:12531

約数の個数: 24

約数和(自身を含む): 53215848

約数和(自身を除く): 28125428

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 12421, 24842, 49684, 62105, 124210, 248420, 1254521, 2509042, 5018084, 6272605, 12545210, 25090420]

約数ペア:

[(1, 25090420), (2, 12545210), (4, 6272605), (5, 5018084), (10, 2509042), (20, 1254521), (101, 248420), (202, 124210), (404, 62105), (505, 49684), (1010, 24842), (2020, 12421)]