28262540

素因数分解:

$2^2\times 5^1\times {\mathrm{683}}^1\times {\mathrm{2069}}^1$

素因数の和:2761

約数の個数: 24

約数和(自身を含む): 59466960

約数和(自身を除く): 31204420

約数列:

[1, 2, 4, 5, 10, 20, 683, 1366, 2069, 2732, 3415, 4138, 6830, 8276, 10345, 13660, 20690, 41380, 1413127, 2826254, 5652508, 7065635, 14131270, 28262540]

約数ペア:

[(1, 28262540), (2, 14131270), (4, 7065635), (5, 5652508), (10, 2826254), (20, 1413127), (683, 41380), (1366, 20690), (2069, 13660), (2732, 10345), (3415, 8276), (4138, 6830)]