2255480

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{499}}^1$

素因数の和:623

約数の個数: 32

約数和(自身を含む): 5130000

約数和(自身を除く): 2874520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 499, 565, 904, 998, 1130, 1996, 2260, 2495, 3992, 4520, 4990, 9980, 19960, 56387, 112774, 225548, 281935, 451096, 563870, 1127740, 2255480]

約数ペア:

[(1, 2255480), (2, 1127740), (4, 563870), (5, 451096), (8, 281935), (10, 225548), (20, 112774), (40, 56387), (113, 19960), (226, 9980), (452, 4990), (499, 4520), (565, 3992), (904, 2495), (998, 2260), (1130, 1996)]