55560920

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{15607}}^1$

素因数の和:15707

約数の個数: 32

約数和(自身を含む): 126424800

約数和(自身を除く): 70863880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 15607, 31214, 62428, 78035, 124856, 156070, 312140, 624280, 1389023, 2778046, 5556092, 6945115, 11112184, 13890230, 27780460, 55560920]

約数ペア:

[(1, 55560920), (2, 27780460), (4, 13890230), (5, 11112184), (8, 6945115), (10, 5556092), (20, 2778046), (40, 1389023), (89, 624280), (178, 312140), (356, 156070), (445, 124856), (712, 78035), (890, 62428), (1780, 31214), (3560, 15607)]