4039888900

素因数分解:

$2^2\times 5^2\times {\mathrm{101}}^1\times {\mathrm{399989}}^1$

素因数の和:400104

約数の個数: 36

約数和(自身を含む): 8853378660

約数和(自身を除く): 4813489760

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 101, 202, 404, 505, 1010, 2020, 2525, 5050, 10100, 399989, 799978, 1599956, 1999945, 3999890, 7999780, 9999725, 19999450, 39998900, 40398889, 80797778, 161595556, 201994445, 403988890, 807977780, 1009972225, 2019944450, 4039888900]

約数ペア:

[(1, 4039888900), (2, 2019944450), (4, 1009972225), (5, 807977780), (10, 403988890), (20, 201994445), (25, 161595556), (50, 80797778), (100, 40398889), (101, 39998900), (202, 19999450), (404, 9999725), (505, 7999780), (1010, 3999890), (2020, 1999945), (2525, 1599956), (5050, 799978), (10100, 399989)]