61457540

素因数分解:

$2^2\times 5^1\times {\mathrm{691}}^1\times {\mathrm{4447}}^1$

素因数の和:5147

約数の個数: 24

約数和(自身を含む): 129276672

約数和(自身を除く): 67819132

約数列:

[1, 2, 4, 5, 10, 20, 691, 1382, 2764, 3455, 4447, 6910, 8894, 13820, 17788, 22235, 44470, 88940, 3072877, 6145754, 12291508, 15364385, 30728770, 61457540]

約数ペア:

[(1, 61457540), (2, 30728770), (4, 15364385), (5, 12291508), (10, 6145754), (20, 3072877), (691, 88940), (1382, 44470), (2764, 22235), (3455, 17788), (4447, 13820), (6910, 8894)]