25968400

素因数分解:

$2^4\times 5^2\times {\mathrm{64921}}^1$

素因数の和:64939

約数の個数: 30

約数和(自身を含む): 62390042

約数和(自身を除く): 36421642

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 64921, 129842, 259684, 324605, 519368, 649210, 1038736, 1298420, 1623025, 2596840, 3246050, 5193680, 6492100, 12984200, 25968400]

約数ペア:

[(1, 25968400), (2, 12984200), (4, 6492100), (5, 5193680), (8, 3246050), (10, 2596840), (16, 1623025), (20, 1298420), (25, 1038736), (40, 649210), (50, 519368), (80, 324605), (100, 259684), (200, 129842), (400, 64921)]