81928220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{372401}}^1$

素因数の和:372421

約数の個数: 24

約数和(自身を含む): 187690608

約数和(自身を除く): 105762388

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 372401, 744802, 1489604, 1862005, 3724010, 4096411, 7448020, 8192822, 16385644, 20482055, 40964110, 81928220]

約数ペア:

[(1, 81928220), (2, 40964110), (4, 20482055), (5, 16385644), (10, 8192822), (11, 7448020), (20, 4096411), (22, 3724010), (44, 1862005), (55, 1489604), (110, 744802), (220, 372401)]