22500280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{51137}}^1$

素因数の和:51159

約数の個数: 32

約数和(自身を含む): 55229040

約数和(自身を除く): 32728760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 51137, 102274, 204548, 255685, 409096, 511370, 562507, 1022740, 1125014, 2045480, 2250028, 2812535, 4500056, 5625070, 11250140, 22500280]

約数ペア:

[(1, 22500280), (2, 11250140), (4, 5625070), (5, 4500056), (8, 2812535), (10, 2250028), (11, 2045480), (20, 1125014), (22, 1022740), (40, 562507), (44, 511370), (55, 409096), (88, 255685), (110, 204548), (220, 102274), (440, 51137)]