2116540

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1091}}^1$

素因数の和:1197

約数の個数: 24

約数和(自身を含む): 4494672

約数和(自身を除く): 2378132

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1091, 1940, 2182, 4364, 5455, 10910, 21820, 105827, 211654, 423308, 529135, 1058270, 2116540]

約数ペア:

[(1, 2116540), (2, 1058270), (4, 529135), (5, 423308), (10, 211654), (20, 105827), (97, 21820), (194, 10910), (388, 5455), (485, 4364), (970, 2182), (1091, 1940)]