8049940

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{9817}}^1$

素因数の和:9867

約数の個数: 24

約数和(自身を含む): 17318952

約数和(自身を除く): 9269012

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 9817, 19634, 39268, 49085, 98170, 196340, 402497, 804994, 1609988, 2012485, 4024970, 8049940]

約数ペア:

[(1, 8049940), (2, 4024970), (4, 2012485), (5, 1609988), (10, 804994), (20, 402497), (41, 196340), (82, 98170), (164, 49085), (205, 39268), (410, 19634), (820, 9817)]