40897720

素因数分解:

$2^3\times 5^1\times {\mathrm{1022443}}^1$

素因数の和:1022454

約数の個数: 16

約数和(自身を含む): 92019960

約数和(自身を除く): 51122240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1022443, 2044886, 4089772, 5112215, 8179544, 10224430, 20448860, 40897720]

約数ペア:

[(1, 40897720), (2, 20448860), (4, 10224430), (5, 8179544), (8, 5112215), (10, 4089772), (20, 2044886), (40, 1022443)]