88140020

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{45433}}^1$

素因数の和:45539

約数の個数: 24

約数和(自身を含む): 187006344

約数和(自身を除く): 98866324

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 45433, 90866, 181732, 227165, 454330, 908660, 4407001, 8814002, 17628004, 22035005, 44070010, 88140020]

約数ペア:

[(1, 88140020), (2, 44070010), (4, 22035005), (5, 17628004), (10, 8814002), (20, 4407001), (97, 908660), (194, 454330), (388, 227165), (485, 181732), (970, 90866), (1940, 45433)]