42181870

素因数分解:

$2^1\times 5^1\times {\mathrm{2027}}^1\times {\mathrm{2081}}^1$

素因数の和:4115

約数の個数: 16

約数和(自身を含む): 76001328

約数和(自身を除く): 33819458

約数列:

[1, 2, 5, 10, 2027, 2081, 4054, 4162, 10135, 10405, 20270, 20810, 4218187, 8436374, 21090935, 42181870]

約数ペア:

[(1, 42181870), (2, 21090935), (5, 8436374), (10, 4218187), (2027, 20810), (2081, 20270), (4054, 10405), (4162, 10135)]