88971250

素因数分解:

$2^1\times 5^4\times {\mathrm{109}}^1\times {\mathrm{653}}^1$

素因数の和:784

約数の個数: 40

約数和(自身を含む): 168555420

約数和(自身を除く): 79584170

約数列:

[1, 2, 5, 10, 25, 50, 109, 125, 218, 250, 545, 625, 653, 1090, 1250, 1306, 2725, 3265, 5450, 6530, 13625, 16325, 27250, 32650, 68125, 71177, 81625, 136250, 142354, 163250, 355885, 408125, 711770, 816250, 1779425, 3558850, 8897125, 17794250, 44485625, 88971250]

約数ペア:

[(1, 88971250), (2, 44485625), (5, 17794250), (10, 8897125), (25, 3558850), (50, 1779425), (109, 816250), (125, 711770), (218, 408125), (250, 355885), (545, 163250), (625, 142354), (653, 136250), (1090, 81625), (1250, 71177), (1306, 68125), (2725, 32650), (3265, 27250), (5450, 16325), (6530, 13625)]