49891640

素因数分解:

$2^3\times 5^1\times {\mathrm{1247291}}^1$

素因数の和:1247302

約数の個数: 16

約数和(自身を含む): 112256280

約数和(自身を除く): 62364640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1247291, 2494582, 4989164, 6236455, 9978328, 12472910, 24945820, 49891640]

約数ペア:

[(1, 49891640), (2, 24945820), (4, 12472910), (5, 9978328), (8, 6236455), (10, 4989164), (20, 2494582), (40, 1247291)]