28456360

素因数分解:

$2^3\times 5^1\times {\mathrm{711409}}^1$

素因数の和:711420

約数の個数: 16

約数和(自身を含む): 64026900

約数和(自身を除く): 35570540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 711409, 1422818, 2845636, 3557045, 5691272, 7114090, 14228180, 28456360]

約数ペア:

[(1, 28456360), (2, 14228180), (4, 7114090), (5, 5691272), (8, 3557045), (10, 2845636), (20, 1422818), (40, 711409)]