28350580

素因数分解:

$2^2\times 5^1\times {\mathrm{881}}^1\times {\mathrm{1609}}^1$

素因数の和:2499

約数の個数: 24

約数和(自身を含む): 59640840

約数和(自身を除く): 31290260

約数列:

[1, 2, 4, 5, 10, 20, 881, 1609, 1762, 3218, 3524, 4405, 6436, 8045, 8810, 16090, 17620, 32180, 1417529, 2835058, 5670116, 7087645, 14175290, 28350580]

約数ペア:

[(1, 28350580), (2, 14175290), (4, 7087645), (5, 5670116), (10, 2835058), (20, 1417529), (881, 32180), (1609, 17620), (1762, 16090), (3218, 8810), (3524, 8045), (4405, 6436)]