28248620

素因数分解:

$2^2\times 5^1\times {\mathrm{521}}^1\times {\mathrm{2711}}^1$

素因数の和:3241

約数の個数: 24

約数和(自身を含む): 59457888

約数和(自身を除く): 31209268

約数列:

[1, 2, 4, 5, 10, 20, 521, 1042, 2084, 2605, 2711, 5210, 5422, 10420, 10844, 13555, 27110, 54220, 1412431, 2824862, 5649724, 7062155, 14124310, 28248620]

約数ペア:

[(1, 28248620), (2, 14124310), (4, 7062155), (5, 5649724), (10, 2824862), (20, 1412431), (521, 54220), (1042, 27110), (2084, 13555), (2605, 10844), (2711, 10420), (5210, 5422)]