1080920

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{443}}^1$

素因数の和:515

約数の個数: 32

約数和(自身を含む): 2477520

約数和(自身を除く): 1396600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 443, 488, 610, 886, 1220, 1772, 2215, 2440, 3544, 4430, 8860, 17720, 27023, 54046, 108092, 135115, 216184, 270230, 540460, 1080920]

約数ペア:

[(1, 1080920), (2, 540460), (4, 270230), (5, 216184), (8, 135115), (10, 108092), (20, 54046), (40, 27023), (61, 17720), (122, 8860), (244, 4430), (305, 3544), (443, 2440), (488, 2215), (610, 1772), (886, 1220)]