28211620

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{13183}}^1$

素因数の和:13299

約数の個数: 24

約数和(自身を含む): 59802624

約数和(自身を除く): 31591004

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 1070, 2140, 13183, 26366, 52732, 65915, 131830, 263660, 1410581, 2821162, 5642324, 7052905, 14105810, 28211620]

約数ペア:

[(1, 28211620), (2, 14105810), (4, 7052905), (5, 5642324), (10, 2821162), (20, 1410581), (107, 263660), (214, 131830), (428, 65915), (535, 52732), (1070, 26366), (2140, 13183)]