55657640

素因数分解:

$2^3\times 5^1\times {\mathrm{1391441}}^1$

素因数の和:1391452

約数の個数: 16

約数和(自身を含む): 125229780

約数和(自身を除く): 69572140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1391441, 2782882, 5565764, 6957205, 11131528, 13914410, 27828820, 55657640]

約数ペア:

[(1, 55657640), (2, 27828820), (4, 13914410), (5, 11131528), (8, 6957205), (10, 5565764), (20, 2782882), (40, 1391441)]