1556556620

素因数分解:

$2^2\times 5^1\times {\mathrm{2713}}^1\times {\mathrm{28687}}^1$

素因数の和:31409

約数の個数: 24

約数和(自身を含む): 3270087744

約数和(自身を除く): 1713531124

約数列:

[1, 2, 4, 5, 10, 20, 2713, 5426, 10852, 13565, 27130, 28687, 54260, 57374, 114748, 143435, 286870, 573740, 77827831, 155655662, 311311324, 389139155, 778278310, 1556556620]

約数ペア:

[(1, 1556556620), (2, 778278310), (4, 389139155), (5, 311311324), (10, 155655662), (20, 77827831), (2713, 573740), (5426, 286870), (10852, 143435), (13565, 114748), (27130, 57374), (28687, 54260)]