8110220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{127}}^1$

素因数の和:270

約数の個数: 48

約数和(自身を含む): 17891328

約数和(自身を除く): 9781108

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 103, 124, 127, 155, 206, 254, 310, 412, 508, 515, 620, 635, 1030, 1270, 2060, 2540, 3193, 3937, 6386, 7874, 12772, 13081, 15748, 15965, 19685, 26162, 31930, 39370, 52324, 63860, 65405, 78740, 130810, 261620, 405511, 811022, 1622044, 2027555, 4055110, 8110220]

約数ペア:

[(1, 8110220), (2, 4055110), (4, 2027555), (5, 1622044), (10, 811022), (20, 405511), (31, 261620), (62, 130810), (103, 78740), (124, 65405), (127, 63860), (155, 52324), (206, 39370), (254, 31930), (310, 26162), (412, 19685), (508, 15965), (515, 15748), (620, 13081), (635, 12772), (1030, 7874), (1270, 6386), (2060, 3937), (2540, 3193)]