210440080

素因数分解:

$2^4\times 5^1\times {\mathrm{2630501}}^1$

素因数の和:2630514

約数の個数: 20

約数和(自身を含む): 489273372

約数和(自身を除く): 278833292

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2630501, 5261002, 10522004, 13152505, 21044008, 26305010, 42088016, 52610020, 105220040, 210440080]

約数ペア:

[(1, 210440080), (2, 105220040), (4, 52610020), (5, 42088016), (8, 26305010), (10, 21044008), (16, 13152505), (20, 10522004), (40, 5261002), (80, 2630501)]