121774960

素因数分解:

$2^4\times 5^1\times {\mathrm{1522187}}^1$

素因数の和:1522200

約数の個数: 20

約数和(自身を含む): 283126968

約数和(自身を除く): 161352008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1522187, 3044374, 6088748, 7610935, 12177496, 15221870, 24354992, 30443740, 60887480, 121774960]

約数ペア:

[(1, 121774960), (2, 60887480), (4, 30443740), (5, 24354992), (8, 15221870), (10, 12177496), (16, 7610935), (20, 6088748), (40, 3044374), (80, 1522187)]