25611160

素因数分解:

$2^3\times 5^1\times {\mathrm{640279}}^1$

素因数の和:640290

約数の個数: 16

約数和(自身を含む): 57625200

約数和(自身を除く): 32014040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 640279, 1280558, 2561116, 3201395, 5122232, 6402790, 12805580, 25611160]

約数ペア:

[(1, 25611160), (2, 12805580), (4, 6402790), (5, 5122232), (8, 3201395), (10, 2561116), (20, 1280558), (40, 640279)]