72843860

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{27803}}^1$

素因数の和:27943

約数の個数: 24

約数和(自身を含む): 154145376

約数和(自身を除く): 81301516

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 27803, 55606, 111212, 139015, 278030, 556060, 3642193, 7284386, 14568772, 18210965, 36421930, 72843860]

約数ペア:

[(1, 72843860), (2, 36421930), (4, 18210965), (5, 14568772), (10, 7284386), (20, 3642193), (131, 556060), (262, 278030), (524, 139015), (655, 111212), (1310, 55606), (2620, 27803)]