13208740

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{15359}}^1$

素因数の和:15411

約数の個数: 24

約数和(自身を含む): 28385280

約数和(自身を除く): 15176540

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 15359, 30718, 61436, 76795, 153590, 307180, 660437, 1320874, 2641748, 3302185, 6604370, 13208740]

約数ペア:

[(1, 13208740), (2, 6604370), (4, 3302185), (5, 2641748), (10, 1320874), (20, 660437), (43, 307180), (86, 153590), (172, 76795), (215, 61436), (430, 30718), (860, 15359)]