28082020

素因数分解:

$2^2\times 5^1\times {\mathrm{863}}^1\times {\mathrm{1627}}^1$

素因数の和:2499

約数の個数: 24

約数和(自身を含む): 59076864

約数和(自身を除く): 30994844

約数列:

[1, 2, 4, 5, 10, 20, 863, 1627, 1726, 3254, 3452, 4315, 6508, 8135, 8630, 16270, 17260, 32540, 1404101, 2808202, 5616404, 7020505, 14041010, 28082020]

約数ペア:

[(1, 28082020), (2, 14041010), (4, 7020505), (5, 5616404), (10, 2808202), (20, 1404101), (863, 32540), (1627, 17260), (1726, 16270), (3254, 8630), (3452, 8135), (4315, 6508)]