28397080

素因数分解:

$2^3\times 5^1\times {\mathrm{709927}}^1$

素因数の和:709938

約数の個数: 16

約数和(自身を含む): 63893520

約数和(自身を除く): 35496440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 709927, 1419854, 2839708, 3549635, 5679416, 7099270, 14198540, 28397080]

約数ペア:

[(1, 28397080), (2, 14198540), (4, 7099270), (5, 5679416), (8, 3549635), (10, 2839708), (20, 1419854), (40, 709927)]