83817680

素因数分解:

$2^4\times 5^1\times {\mathrm{1047721}}^1$

素因数の和:1047734

約数の個数: 20

約数和(自身を含む): 194876292

約数和(自身を除く): 111058612

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1047721, 2095442, 4190884, 5238605, 8381768, 10477210, 16763536, 20954420, 41908840, 83817680]

約数ペア:

[(1, 83817680), (2, 41908840), (4, 20954420), (5, 16763536), (8, 10477210), (10, 8381768), (16, 5238605), (20, 4190884), (40, 2095442), (80, 1047721)]