28266260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{128483}}^1$

素因数の和:128503

約数の個数: 24

約数和(自身を含む): 64755936

約数和(自身を除く): 36489676

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 128483, 256966, 513932, 642415, 1284830, 1413313, 2569660, 2826626, 5653252, 7066565, 14133130, 28266260]

約数ペア:

[(1, 28266260), (2, 14133130), (4, 7066565), (5, 5653252), (10, 2826626), (11, 2569660), (20, 1413313), (22, 1284830), (44, 642415), (55, 513932), (110, 256966), (220, 128483)]