2193715640

素因数分解:

$2^3\times 5^1\times {\mathrm{54842891}}^1$

素因数の和:54842902

約数の個数: 16

約数和(自身を含む): 4935860280

約数和(自身を除く): 2742144640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 54842891, 109685782, 219371564, 274214455, 438743128, 548428910, 1096857820, 2193715640]

約数ペア:

[(1, 2193715640), (2, 1096857820), (4, 548428910), (5, 438743128), (8, 274214455), (10, 219371564), (20, 109685782), (40, 54842891)]