79992020

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{41233}}^1$

素因数の和:41339

約数の個数: 24

約数和(自身を含む): 169719144

約数和(自身を除く): 89727124

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 41233, 82466, 164932, 206165, 412330, 824660, 3999601, 7999202, 15998404, 19998005, 39996010, 79992020]

約数ペア:

[(1, 79992020), (2, 39996010), (4, 19998005), (5, 15998404), (10, 7999202), (20, 3999601), (97, 824660), (194, 412330), (388, 206165), (485, 164932), (970, 82466), (1940, 41233)]