193891640

素因数分解:

$2^3\times 5^1\times {\mathrm{4847291}}^1$

素因数の和:4847302

約数の個数: 16

約数和(自身を含む): 436256280

約数和(自身を除く): 242364640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4847291, 9694582, 19389164, 24236455, 38778328, 48472910, 96945820, 193891640]

約数ペア:

[(1, 193891640), (2, 96945820), (4, 48472910), (5, 38778328), (8, 24236455), (10, 19389164), (20, 9694582), (40, 4847291)]