28095020

素因数分解:

$2^2\times 5^1\times {\mathrm{491}}^1\times {\mathrm{2861}}^1$

素因数の和:3361

約数の個数: 24

約数和(自身を含む): 59140368

約数和(自身を除く): 31045348

約数列:

[1, 2, 4, 5, 10, 20, 491, 982, 1964, 2455, 2861, 4910, 5722, 9820, 11444, 14305, 28610, 57220, 1404751, 2809502, 5619004, 7023755, 14047510, 28095020]

約数ペア:

[(1, 28095020), (2, 14047510), (4, 7023755), (5, 5619004), (10, 2809502), (20, 1404751), (491, 57220), (982, 28610), (1964, 14305), (2455, 11444), (2861, 9820), (4910, 5722)]