51276140

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{26431}}^1$

素因数の和:26537

約数の個数: 24

約数和(自身を含む): 108794112

約数和(自身を除く): 57517972

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 26431, 52862, 105724, 132155, 264310, 528620, 2563807, 5127614, 10255228, 12819035, 25638070, 51276140]

約数ペア:

[(1, 51276140), (2, 25638070), (4, 12819035), (5, 10255228), (10, 5127614), (20, 2563807), (97, 528620), (194, 264310), (388, 132155), (485, 105724), (970, 52862), (1940, 26431)]