42258220

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{72859}}^1$

素因数の和:72897

約数の個数: 24

約数和(自身を含む): 91803600

約数和(自身を除く): 49545380

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 72859, 145718, 291436, 364295, 728590, 1457180, 2112911, 4225822, 8451644, 10564555, 21129110, 42258220]

約数ペア:

[(1, 42258220), (2, 21129110), (4, 10564555), (5, 8451644), (10, 4225822), (20, 2112911), (29, 1457180), (58, 728590), (116, 364295), (145, 291436), (290, 145718), (580, 72859)]