54207640

素因数分解:

$2^3\times 5^1\times {\mathrm{1355191}}^1$

素因数の和:1355202

約数の個数: 16

約数和(自身を含む): 121967280

約数和(自身を除く): 67759640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1355191, 2710382, 5420764, 6775955, 10841528, 13551910, 27103820, 54207640]

約数ペア:

[(1, 54207640), (2, 27103820), (4, 13551910), (5, 10841528), (8, 6775955), (10, 5420764), (20, 2710382), (40, 1355191)]