22271240

素因数分解:

$2^3\times 5^1\times {\mathrm{556781}}^1$

素因数の和:556792

約数の個数: 16

約数和(自身を含む): 50110380

約数和(自身を除く): 27839140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 556781, 1113562, 2227124, 2783905, 4454248, 5567810, 11135620, 22271240]

約数ペア:

[(1, 22271240), (2, 11135620), (4, 5567810), (5, 4454248), (8, 2783905), (10, 2227124), (20, 1113562), (40, 556781)]