8861620

素因数分解:

$2^2\times 5^1\times {\mathrm{563}}^1\times {\mathrm{787}}^1$

素因数の和:1359

約数の個数: 24

約数和(自身を含む): 18666144

約数和(自身を除く): 9804524

約数列:

[1, 2, 4, 5, 10, 20, 563, 787, 1126, 1574, 2252, 2815, 3148, 3935, 5630, 7870, 11260, 15740, 443081, 886162, 1772324, 2215405, 4430810, 8861620]

約数ペア:

[(1, 8861620), (2, 4430810), (4, 2215405), (5, 1772324), (10, 886162), (20, 443081), (563, 15740), (787, 11260), (1126, 7870), (1574, 5630), (2252, 3935), (2815, 3148)]