218360

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1$

素因数の和:167

約数の個数: 32

約数和(自身を含む): 505440

約数和(自身を除く): 287080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 103, 106, 206, 212, 265, 412, 424, 515, 530, 824, 1030, 1060, 2060, 2120, 4120, 5459, 10918, 21836, 27295, 43672, 54590, 109180, 218360]

約数ペア:

[(1, 218360), (2, 109180), (4, 54590), (5, 43672), (8, 27295), (10, 21836), (20, 10918), (40, 5459), (53, 4120), (103, 2120), (106, 2060), (206, 1060), (212, 1030), (265, 824), (412, 530), (424, 515)]