201480080

素因数分解:

$2^4\times 5^1\times {\mathrm{2518501}}^1$

素因数の和:2518514

約数の個数: 20

約数和(自身を含む): 468441372

約数和(自身を除く): 266961292

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2518501, 5037002, 10074004, 12592505, 20148008, 25185010, 40296016, 50370020, 100740040, 201480080]

約数ペア:

[(1, 201480080), (2, 100740040), (4, 50370020), (5, 40296016), (8, 25185010), (10, 20148008), (16, 12592505), (20, 10074004), (40, 5037002), (80, 2518501)]