80870480

素因数分解:

$2^4\times 5^1\times {\mathrm{1010881}}^1$

素因数の和:1010894

約数の個数: 20

約数和(自身を含む): 188024052

約数和(自身を除く): 107153572

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1010881, 2021762, 4043524, 5054405, 8087048, 10108810, 16174096, 20217620, 40435240, 80870480]

約数ペア:

[(1, 80870480), (2, 40435240), (4, 20217620), (5, 16174096), (8, 10108810), (10, 8087048), (16, 5054405), (20, 4043524), (40, 2021762), (80, 1010881)]