80453820080

素因数分解:

$2^4\times 5^1\times {\mathrm{1005672751}}^1$

素因数の和:1005672764

約数の個数: 20

約数和(自身を含む): 187055131872

約数和(自身を除く): 106601311792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1005672751, 2011345502, 4022691004, 5028363755, 8045382008, 10056727510, 16090764016, 20113455020, 40226910040, 80453820080]

約数ペア:

[(1, 80453820080), (2, 40226910040), (4, 20113455020), (5, 16090764016), (8, 10056727510), (10, 8045382008), (16, 5028363755), (20, 4022691004), (40, 2011345502), (80, 1005672751)]