61637480

素因数分解:

$2^3\times 5^1\times {\mathrm{317}}^1\times {\mathrm{4861}}^1$

素因数の和:5189

約数の個数: 32

約数和(自身を含む): 139150440

約数和(自身を除く): 77512960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 317, 634, 1268, 1585, 2536, 3170, 4861, 6340, 9722, 12680, 19444, 24305, 38888, 48610, 97220, 194440, 1540937, 3081874, 6163748, 7704685, 12327496, 15409370, 30818740, 61637480]

約数ペア:

[(1, 61637480), (2, 30818740), (4, 15409370), (5, 12327496), (8, 7704685), (10, 6163748), (20, 3081874), (40, 1540937), (317, 194440), (634, 97220), (1268, 48610), (1585, 38888), (2536, 24305), (3170, 19444), (4861, 12680), (6340, 9722)]