42828220

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{11831}}^1$

素因数の和:12021

約数の個数: 24

約数和(自身を含む): 90443808

約数和(自身を除く): 47615588

約数列:

[1, 2, 4, 5, 10, 20, 181, 362, 724, 905, 1810, 3620, 11831, 23662, 47324, 59155, 118310, 236620, 2141411, 4282822, 8565644, 10707055, 21414110, 42828220]

約数ペア:

[(1, 42828220), (2, 21414110), (4, 10707055), (5, 8565644), (10, 4282822), (20, 2141411), (181, 236620), (362, 118310), (724, 59155), (905, 47324), (1810, 23662), (3620, 11831)]