80977040

素因数分解:

$2^4\times 5^1\times {\mathrm{1012213}}^1$

素因数の和:1012226

約数の個数: 20

約数和(自身を含む): 188271804

約数和(自身を除く): 107294764

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1012213, 2024426, 4048852, 5061065, 8097704, 10122130, 16195408, 20244260, 40488520, 80977040]

約数ペア:

[(1, 80977040), (2, 40488520), (4, 20244260), (5, 16195408), (8, 10122130), (10, 8097704), (16, 5061065), (20, 4048852), (40, 2024426), (80, 1012213)]