201720080

素因数分解:

$2^4\times 5^1\times {\mathrm{2521501}}^1$

素因数の和:2521514

約数の個数: 20

約数和(自身を含む): 468999372

約数和(自身を除く): 267279292

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2521501, 5043002, 10086004, 12607505, 20172008, 25215010, 40344016, 50430020, 100860040, 201720080]

約数ペア:

[(1, 201720080), (2, 100860040), (4, 50430020), (5, 40344016), (8, 25215010), (10, 20172008), (16, 12607505), (20, 10086004), (40, 5043002), (80, 2521501)]