22580440

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{5179}}^1$

素因数の和:5299

約数の個数: 32

約数和(自身を含む): 51282000

約数和(自身を除く): 28701560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 5179, 10358, 20716, 25895, 41432, 51790, 103580, 207160, 564511, 1129022, 2258044, 2822555, 4516088, 5645110, 11290220, 22580440]

約数ペア:

[(1, 22580440), (2, 11290220), (4, 5645110), (5, 4516088), (8, 2822555), (10, 2258044), (20, 1129022), (40, 564511), (109, 207160), (218, 103580), (436, 51790), (545, 41432), (872, 25895), (1090, 20716), (2180, 10358), (4360, 5179)]