31458260

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{15271}}^1$

素因数の和:15383

約数の個数: 24

約数和(自身を含む): 66708096

約数和(自身を除く): 35249836

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 2060, 15271, 30542, 61084, 76355, 152710, 305420, 1572913, 3145826, 6291652, 7864565, 15729130, 31458260]

約数ペア:

[(1, 31458260), (2, 15729130), (4, 7864565), (5, 6291652), (10, 3145826), (20, 1572913), (103, 305420), (206, 152710), (412, 76355), (515, 61084), (1030, 30542), (2060, 15271)]