28644260

素因数分解:

$2^2\times 5^1\times {\mathrm{431}}^1\times {\mathrm{3323}}^1$

素因数の和:3763

約数の個数: 24

約数和(自身を含む): 60310656

約数和(自身を除く): 31666396

約数列:

[1, 2, 4, 5, 10, 20, 431, 862, 1724, 2155, 3323, 4310, 6646, 8620, 13292, 16615, 33230, 66460, 1432213, 2864426, 5728852, 7161065, 14322130, 28644260]

約数ペア:

[(1, 28644260), (2, 14322130), (4, 7161065), (5, 5728852), (10, 2864426), (20, 1432213), (431, 66460), (862, 33230), (1724, 16615), (2155, 13292), (3323, 8620), (4310, 6646)]