42212120

素因数分解:

$2^3\times 5^1\times {\mathrm{1055303}}^1$

素因数の和:1055314

約数の個数: 16

約数和(自身を含む): 94977360

約数和(自身を除く): 52765240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1055303, 2110606, 4221212, 5276515, 8442424, 10553030, 21106060, 42212120]

約数ペア:

[(1, 42212120), (2, 21106060), (4, 10553030), (5, 8442424), (8, 5276515), (10, 4221212), (20, 2110606), (40, 1055303)]