28231780

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{34429}}^1$

素因数の和:34479

約数の個数: 24

約数和(自身を含む): 60734520

約数和(自身を除く): 32502740

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 34429, 68858, 137716, 172145, 344290, 688580, 1411589, 2823178, 5646356, 7057945, 14115890, 28231780]

約数ペア:

[(1, 28231780), (2, 14115890), (4, 7057945), (5, 5646356), (10, 2823178), (20, 1411589), (41, 688580), (82, 344290), (164, 172145), (205, 137716), (410, 68858), (820, 34429)]