9991700

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{2437}}^1$

素因数の和:2492

約数の個数: 36

約数和(自身を含む): 22219932

約数和(自身を除く): 12228232

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 164, 205, 410, 820, 1025, 2050, 2437, 4100, 4874, 9748, 12185, 24370, 48740, 60925, 99917, 121850, 199834, 243700, 399668, 499585, 999170, 1998340, 2497925, 4995850, 9991700]

約数ペア:

[(1, 9991700), (2, 4995850), (4, 2497925), (5, 1998340), (10, 999170), (20, 499585), (25, 399668), (41, 243700), (50, 199834), (82, 121850), (100, 99917), (164, 60925), (205, 48740), (410, 24370), (820, 12185), (1025, 9748), (2050, 4874), (2437, 4100)]