123454960

素因数分解:

$2^4\times 5^1\times {\mathrm{1543187}}^1$

素因数の和:1543200

約数の個数: 20

約数和(自身を含む): 287032968

約数和(自身を除く): 163578008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1543187, 3086374, 6172748, 7715935, 12345496, 15431870, 24690992, 30863740, 61727480, 123454960]

約数ペア:

[(1, 123454960), (2, 61727480), (4, 30863740), (5, 24690992), (8, 15431870), (10, 12345496), (16, 7715935), (20, 6172748), (40, 3086374), (80, 1543187)]