890689610

素因数分解:

$2^1\times 5^1\times {\mathrm{20011}}^1\times {\mathrm{4451}}^1$

素因数の和:24469

約数の個数: 16

約数和(自身を含む): 1603681632

約数和(自身を除く): 712992022

約数列:

[1, 2, 5, 10, 4451, 8902, 20011, 22255, 40022, 44510, 100055, 200110, 89068961, 178137922, 445344805, 890689610]

約数ペア:

[(1, 890689610), (2, 445344805), (5, 178137922), (10, 89068961), (4451, 200110), (8902, 100055), (20011, 44510), (22255, 40022)]