222079240

素因数分解:

$2^3\times 5^1\times {\mathrm{5551981}}^1$

素因数の和:5551992

約数の個数: 16

約数和(自身を含む): 499678380

約数和(自身を除く): 277599140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5551981, 11103962, 22207924, 27759905, 44415848, 55519810, 111039620, 222079240]

約数ペア:

[(1, 222079240), (2, 111039620), (4, 55519810), (5, 44415848), (8, 27759905), (10, 22207924), (20, 11103962), (40, 5551981)]