31017680

素因数分解:

$2^4\times 5^1\times {\mathrm{387721}}^1$

素因数の和:387734

約数の個数: 20

約数和(自身を含む): 72116292

約数和(自身を除く): 41098612

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 387721, 775442, 1550884, 1938605, 3101768, 3877210, 6203536, 7754420, 15508840, 31017680]

約数ペア:

[(1, 31017680), (2, 15508840), (4, 7754420), (5, 6203536), (8, 3877210), (10, 3101768), (16, 1938605), (20, 1550884), (40, 775442), (80, 387721)]