28656440

素因数分解:

$2^3\times 5^1\times {\mathrm{716411}}^1$

素因数の和:716422

約数の個数: 16

約数和(自身を含む): 64477080

約数和(自身を除く): 35820640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 716411, 1432822, 2865644, 3582055, 5731288, 7164110, 14328220, 28656440]

約数ペア:

[(1, 28656440), (2, 14328220), (4, 7164110), (5, 5731288), (8, 3582055), (10, 2865644), (20, 1432822), (40, 716411)]