1851440

素因数分解:

$2^4\times 5^1\times {\mathrm{23143}}^1$

素因数の和:23156

約数の個数: 20

約数和(自身を含む): 4304784

約数和(自身を除く): 2453344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 23143, 46286, 92572, 115715, 185144, 231430, 370288, 462860, 925720, 1851440]

約数ペア:

[(1, 1851440), (2, 925720), (4, 462860), (5, 370288), (8, 231430), (10, 185144), (16, 115715), (20, 92572), (40, 46286), (80, 23143)]