90557120

素因数分解:

$2^6\times 5^1\times {\mathrm{282991}}^1$

素因数の和:283008

約数の個数: 28

約数和(自身を含む): 215639904

約数和(自身を除く): 125082784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 282991, 565982, 1131964, 1414955, 2263928, 2829910, 4527856, 5659820, 9055712, 11319640, 18111424, 22639280, 45278560, 90557120]

約数ペア:

[(1, 90557120), (2, 45278560), (4, 22639280), (5, 18111424), (8, 11319640), (10, 9055712), (16, 5659820), (20, 4527856), (32, 2829910), (40, 2263928), (64, 1414955), (80, 1131964), (160, 565982), (320, 282991)]