8869820

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{4391}}^1$

素因数の和:4501

約数の個数: 24

約数和(自身を含む): 18815328

約数和(自身を除く): 9945508

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 4391, 8782, 17564, 21955, 43910, 87820, 443491, 886982, 1773964, 2217455, 4434910, 8869820]

約数ペア:

[(1, 8869820), (2, 4434910), (4, 2217455), (5, 1773964), (10, 886982), (20, 443491), (101, 87820), (202, 43910), (404, 21955), (505, 17564), (1010, 8782), (2020, 4391)]