8881420

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{10831}}^1$

素因数の和:10881

約数の個数: 24

約数和(自身を含む): 19107648

約数和(自身を除く): 10226228

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 10831, 21662, 43324, 54155, 108310, 216620, 444071, 888142, 1776284, 2220355, 4440710, 8881420]

約数ペア:

[(1, 8881420), (2, 4440710), (4, 2220355), (5, 1776284), (10, 888142), (20, 444071), (41, 216620), (82, 108310), (164, 54155), (205, 43324), (410, 21662), (820, 10831)]