2078280080

素因数分解:

$2^4\times 5^1\times {\mathrm{25978501}}^1$

素因数の和:25978514

約数の個数: 20

約数和(自身を含む): 4832001372

約数和(自身を除く): 2753721292

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 25978501, 51957002, 103914004, 129892505, 207828008, 259785010, 415656016, 519570020, 1039140040, 2078280080]

約数ペア:

[(1, 2078280080), (2, 1039140040), (4, 519570020), (5, 415656016), (8, 259785010), (10, 207828008), (16, 129892505), (20, 103914004), (40, 51957002), (80, 25978501)]