2017004720

素因数分解:

$2^4\times 5^1\times {\mathrm{25212559}}^1$

素因数の和:25212572

約数の個数: 20

約数和(自身を含む): 4689536160

約数和(自身を除く): 2672531440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 25212559, 50425118, 100850236, 126062795, 201700472, 252125590, 403400944, 504251180, 1008502360, 2017004720]

約数ペア:

[(1, 2017004720), (2, 1008502360), (4, 504251180), (5, 403400944), (8, 252125590), (10, 201700472), (16, 126062795), (20, 100850236), (40, 50425118), (80, 25212559)]