28865800

素因数分解:

$2^3\times 5^2\times {\mathrm{101}}^1\times {\mathrm{1429}}^1$

素因数の和:1546

約数の個数: 48

約数和(自身を含む): 67824900

約数和(自身を除く): 38959100

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 101, 200, 202, 404, 505, 808, 1010, 1429, 2020, 2525, 2858, 4040, 5050, 5716, 7145, 10100, 11432, 14290, 20200, 28580, 35725, 57160, 71450, 142900, 144329, 285800, 288658, 577316, 721645, 1154632, 1443290, 2886580, 3608225, 5773160, 7216450, 14432900, 28865800]

約数ペア:

[(1, 28865800), (2, 14432900), (4, 7216450), (5, 5773160), (8, 3608225), (10, 2886580), (20, 1443290), (25, 1154632), (40, 721645), (50, 577316), (100, 288658), (101, 285800), (200, 144329), (202, 142900), (404, 71450), (505, 57160), (808, 35725), (1010, 28580), (1429, 20200), (2020, 14290), (2525, 11432), (2858, 10100), (4040, 7145), (5050, 5716)]