207960080

素因数分解:

$2^4\times 5^1\times {\mathrm{2599501}}^1$

素因数の和:2599514

約数の個数: 20

約数和(自身を含む): 483507372

約数和(自身を除く): 275547292

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2599501, 5199002, 10398004, 12997505, 20796008, 25995010, 41592016, 51990020, 103980040, 207960080]

約数ペア:

[(1, 207960080), (2, 103980040), (4, 51990020), (5, 41592016), (8, 25995010), (10, 20796008), (16, 12997505), (20, 10398004), (40, 5199002), (80, 2599501)]