28482220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109547}}^1$

素因数の和:109569

約数の個数: 24

約数和(自身を含む): 64414224

約数和(自身を除く): 35932004

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 109547, 219094, 438188, 547735, 1095470, 1424111, 2190940, 2848222, 5696444, 7120555, 14241110, 28482220]

約数ペア:

[(1, 28482220), (2, 14241110), (4, 7120555), (5, 5696444), (10, 2848222), (13, 2190940), (20, 1424111), (26, 1095470), (52, 547735), (65, 438188), (130, 219094), (260, 109547)]