25465240

素因数分解:

$2^3\times 5^1\times {\mathrm{636631}}^1$

素因数の和:636642

約数の個数: 16

約数和(自身を含む): 57296880

約数和(自身を除く): 31831640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 636631, 1273262, 2546524, 3183155, 5093048, 6366310, 12732620, 25465240]

約数ペア:

[(1, 25465240), (2, 12732620), (4, 6366310), (5, 5093048), (8, 3183155), (10, 2546524), (20, 1273262), (40, 636631)]