155520740

素因数分解:

$2^2\times 5^1\times {\mathrm{1187}}^1\times {\mathrm{6551}}^1$

素因数の和:7747

約数の個数: 24

約数和(自身を含む): 326918592

約数和(自身を除く): 171397852

約数列:

[1, 2, 4, 5, 10, 20, 1187, 2374, 4748, 5935, 6551, 11870, 13102, 23740, 26204, 32755, 65510, 131020, 7776037, 15552074, 31104148, 38880185, 77760370, 155520740]

約数ペア:

[(1, 155520740), (2, 77760370), (4, 38880185), (5, 31104148), (10, 15552074), (20, 7776037), (1187, 131020), (2374, 65510), (4748, 32755), (5935, 26204), (6551, 23740), (11870, 13102)]