25641160

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{5881}}^1$

素因数の和:6001

約数の個数: 32

約数和(自身を含む): 58231800

約数和(自身を除く): 32590640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 5881, 11762, 23524, 29405, 47048, 58810, 117620, 235240, 641029, 1282058, 2564116, 3205145, 5128232, 6410290, 12820580, 25641160]

約数ペア:

[(1, 25641160), (2, 12820580), (4, 6410290), (5, 5128232), (8, 3205145), (10, 2564116), (20, 1282058), (40, 641029), (109, 235240), (218, 117620), (436, 58810), (545, 47048), (872, 29405), (1090, 23524), (2180, 11762), (4360, 5881)]