201000080

素因数分解:

$2^4\times 5^1\times {\mathrm{2512501}}^1$

素因数の和:2512514

約数の個数: 20

約数和(自身を含む): 467325372

約数和(自身を除く): 266325292

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2512501, 5025002, 10050004, 12562505, 20100008, 25125010, 40200016, 50250020, 100500040, 201000080]

約数ペア:

[(1, 201000080), (2, 100500040), (4, 50250020), (5, 40200016), (8, 25125010), (10, 20100008), (16, 12562505), (20, 10050004), (40, 5025002), (80, 2512501)]