15560920

素因数分解:

$2^3\times 5^1\times {\mathrm{389023}}^1$

素因数の和:389034

約数の個数: 16

約数和(自身を含む): 35012160

約数和(自身を除く): 19451240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 389023, 778046, 1556092, 1945115, 3112184, 3890230, 7780460, 15560920]

約数ペア:

[(1, 15560920), (2, 7780460), (4, 3890230), (5, 3112184), (8, 1945115), (10, 1556092), (20, 778046), (40, 389023)]