25601020

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{9209}}^1$

素因数の和:9357

約数の個数: 24

約数和(自身を含む): 54154800

約数和(自身を除く): 28553780

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 9209, 18418, 36836, 46045, 92090, 184180, 1280051, 2560102, 5120204, 6400255, 12800510, 25601020]

約数ペア:

[(1, 25601020), (2, 12800510), (4, 6400255), (5, 5120204), (10, 2560102), (20, 1280051), (139, 184180), (278, 92090), (556, 46045), (695, 36836), (1390, 18418), (2780, 9209)]