61001480

素因数分解:

$2^3\times 5^1\times {\mathrm{691}}^1\times {\mathrm{2207}}^1$

素因数の和:2909

約数の個数: 32

約数和(自身を含む): 137514240

約数和(自身を除く): 76512760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 691, 1382, 2207, 2764, 3455, 4414, 5528, 6910, 8828, 11035, 13820, 17656, 22070, 27640, 44140, 88280, 1525037, 3050074, 6100148, 7625185, 12200296, 15250370, 30500740, 61001480]

約数ペア:

[(1, 61001480), (2, 30500740), (4, 15250370), (5, 12200296), (8, 7625185), (10, 6100148), (20, 3050074), (40, 1525037), (691, 88280), (1382, 44140), (2207, 27640), (2764, 22070), (3455, 17656), (4414, 13820), (5528, 11035), (6910, 8828)]