80744080

素因数分解:

$2^4\times 5^1\times {\mathrm{1009301}}^1$

素因数の和:1009314

約数の個数: 20

約数和(自身を含む): 187730172

約数和(自身を除く): 106986092

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1009301, 2018602, 4037204, 5046505, 8074408, 10093010, 16148816, 20186020, 40372040, 80744080]

約数ペア:

[(1, 80744080), (2, 40372040), (4, 20186020), (5, 16148816), (8, 10093010), (10, 8074408), (16, 5046505), (20, 4037204), (40, 2018602), (80, 1009301)]