11561380

素因数分解:

$2^2\times 5^1\times {\mathrm{487}}^1\times {\mathrm{1187}}^1$

素因数の和:1683

約数の個数: 24

約数和(自身を含む): 24349248

約数和(自身を除く): 12787868

約数列:

[1, 2, 4, 5, 10, 20, 487, 974, 1187, 1948, 2374, 2435, 4748, 4870, 5935, 9740, 11870, 23740, 578069, 1156138, 2312276, 2890345, 5780690, 11561380]

約数ペア:

[(1, 11561380), (2, 5780690), (4, 2890345), (5, 2312276), (10, 1156138), (20, 578069), (487, 23740), (974, 11870), (1187, 9740), (1948, 5935), (2374, 4870), (2435, 4748)]