40703140

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{20981}}^1$

素因数の和:21087

約数の個数: 24

約数和(自身を含む): 86361912

約数和(自身を除く): 45658772

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 20981, 41962, 83924, 104905, 209810, 419620, 2035157, 4070314, 8140628, 10175785, 20351570, 40703140]

約数ペア:

[(1, 40703140), (2, 20351570), (4, 10175785), (5, 8140628), (10, 4070314), (20, 2035157), (97, 419620), (194, 209810), (388, 104905), (485, 83924), (970, 41962), (1940, 20981)]