2701220

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{1031}}^1$

素因数の和:1171

約数の個数: 24

約数和(自身を含む): 5721408

約数和(自身を除く): 3020188

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1031, 1310, 2062, 2620, 4124, 5155, 10310, 20620, 135061, 270122, 540244, 675305, 1350610, 2701220]

約数ペア:

[(1, 2701220), (2, 1350610), (4, 675305), (5, 540244), (10, 270122), (20, 135061), (131, 20620), (262, 10310), (524, 5155), (655, 4124), (1031, 2620), (1310, 2062)]