90640060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{647429}}^1$

素因数の和:647445

約数の個数: 24

約数和(自身を含む): 217536480

約数和(自身を除く): 126896420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 647429, 1294858, 2589716, 3237145, 4532003, 6474290, 9064006, 12948580, 18128012, 22660015, 45320030, 90640060]

約数ペア:

[(1, 90640060), (2, 45320030), (4, 22660015), (5, 18128012), (7, 12948580), (10, 9064006), (14, 6474290), (20, 4532003), (28, 3237145), (35, 2589716), (70, 1294858), (140, 647429)]