8889107420

素因数分解:

$2^2\times 5^1\times {\mathrm{20681}}^1\times {\mathrm{21491}}^1$

素因数の和:42181

約数の個数: 24

約数和(自身を含む): 18668896848

約数和(自身を除く): 9779789428

約数列:

[1, 2, 4, 5, 10, 20, 20681, 21491, 41362, 42982, 82724, 85964, 103405, 107455, 206810, 214910, 413620, 429820, 444455371, 888910742, 1777821484, 2222276855, 4444553710, 8889107420]

約数ペア:

[(1, 8889107420), (2, 4444553710), (4, 2222276855), (5, 1777821484), (10, 888910742), (20, 444455371), (20681, 429820), (21491, 413620), (41362, 214910), (42982, 206810), (82724, 107455), (85964, 103405)]