2565400

素因数分解:

$2^3\times 5^2\times {\mathrm{101}}^1\times {\mathrm{127}}^1$

素因数の和:244

約数の個数: 48

約数和(自身を含む): 6071040

約数和(自身を除く): 3505640

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 101, 127, 200, 202, 254, 404, 505, 508, 635, 808, 1010, 1016, 1270, 2020, 2525, 2540, 3175, 4040, 5050, 5080, 6350, 10100, 12700, 12827, 20200, 25400, 25654, 51308, 64135, 102616, 128270, 256540, 320675, 513080, 641350, 1282700, 2565400]

約数ペア:

[(1, 2565400), (2, 1282700), (4, 641350), (5, 513080), (8, 320675), (10, 256540), (20, 128270), (25, 102616), (40, 64135), (50, 51308), (100, 25654), (101, 25400), (127, 20200), (200, 12827), (202, 12700), (254, 10100), (404, 6350), (505, 5080), (508, 5050), (635, 4040), (808, 3175), (1010, 2540), (1016, 2525), (1270, 2020)]