61891540

素因数分解:

$2^2\times 5^1\times {\mathrm{971}}^1\times {\mathrm{3187}}^1$

素因数の和:4167

約数の個数: 24

約数和(自身を含む): 130146912

約数和(自身を除く): 68255372

約数列:

[1, 2, 4, 5, 10, 20, 971, 1942, 3187, 3884, 4855, 6374, 9710, 12748, 15935, 19420, 31870, 63740, 3094577, 6189154, 12378308, 15472885, 30945770, 61891540]

約数ペア:

[(1, 61891540), (2, 30945770), (4, 15472885), (5, 12378308), (10, 6189154), (20, 3094577), (971, 63740), (1942, 31870), (3187, 19420), (3884, 15935), (4855, 12748), (6374, 9710)]