2005209560

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{496339}}^1$

素因数の和:496451

約数の個数: 32

約数和(自身を含む): 4556401200

約数和(自身を除く): 2551191640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 496339, 992678, 1985356, 2481695, 3970712, 4963390, 9926780, 19853560, 50130239, 100260478, 200520956, 250651195, 401041912, 501302390, 1002604780, 2005209560]

約数ペア:

[(1, 2005209560), (2, 1002604780), (4, 501302390), (5, 401041912), (8, 250651195), (10, 200520956), (20, 100260478), (40, 50130239), (101, 19853560), (202, 9926780), (404, 4963390), (505, 3970712), (808, 2481695), (1010, 1985356), (2020, 992678), (4040, 496339)]