2016440080

素因数分解:

$2^4\times 5^1\times {\mathrm{25205501}}^1$

素因数の和:25205514

約数の個数: 20

約数和(自身を含む): 4688223372

約数和(自身を除く): 2671783292

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 25205501, 50411002, 100822004, 126027505, 201644008, 252055010, 403288016, 504110020, 1008220040, 2016440080]

約数ペア:

[(1, 2016440080), (2, 1008220040), (4, 504110020), (5, 403288016), (8, 252055010), (10, 201644008), (16, 126027505), (20, 100822004), (40, 50411002), (80, 25205501)]