2004320120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{62401}}^1$

素因数の和:62496

約数の個数: 64

約数和(自身を含む): 4987167840

約数和(自身を除く): 2982847720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 73, 88, 110, 146, 220, 292, 365, 440, 584, 730, 803, 1460, 1606, 2920, 3212, 4015, 6424, 8030, 16060, 32120, 62401, 124802, 249604, 312005, 499208, 624010, 686411, 1248020, 1372822, 2496040, 2745644, 3432055, 4555273, 5491288, 6864110, 9110546, 13728220, 18221092, 22776365, 27456440, 36442184, 45552730, 50108003, 91105460, 100216006, 182210920, 200432012, 250540015, 400864024, 501080030, 1002160060, 2004320120]

約数ペア:

[(1, 2004320120), (2, 1002160060), (4, 501080030), (5, 400864024), (8, 250540015), (10, 200432012), (11, 182210920), (20, 100216006), (22, 91105460), (40, 50108003), (44, 45552730), (55, 36442184), (73, 27456440), (88, 22776365), (110, 18221092), (146, 13728220), (220, 9110546), (292, 6864110), (365, 5491288), (440, 4555273), (584, 3432055), (730, 2745644), (803, 2496040), (1460, 1372822), (1606, 1248020), (2920, 686411), (3212, 624010), (4015, 499208), (6424, 312005), (8030, 249604), (16060, 124802), (32120, 62401)]