39788080

素因数分解:

$2^4\times 5^1\times {\mathrm{497351}}^1$

素因数の和:497364

約数の個数: 20

約数和(自身を含む): 92507472

約数和(自身を除く): 52719392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 497351, 994702, 1989404, 2486755, 3978808, 4973510, 7957616, 9947020, 19894040, 39788080]

約数ペア:

[(1, 39788080), (2, 19894040), (4, 9947020), (5, 7957616), (8, 4973510), (10, 3978808), (16, 2486755), (20, 1989404), (40, 994702), (80, 497351)]