61655480

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{11251}}^1$

素因数の和:11399

約数の個数: 32

約数和(自身を含む): 139749840

約数和(自身を除く): 78094360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2740, 5480, 11251, 22502, 45004, 56255, 90008, 112510, 225020, 450040, 1541387, 3082774, 6165548, 7706935, 12331096, 15413870, 30827740, 61655480]

約数ペア:

[(1, 61655480), (2, 30827740), (4, 15413870), (5, 12331096), (8, 7706935), (10, 6165548), (20, 3082774), (40, 1541387), (137, 450040), (274, 225020), (548, 112510), (685, 90008), (1096, 56255), (1370, 45004), (2740, 22502), (5480, 11251)]