13216250

素因数分解:

$2^1\times 5^4\times {\mathrm{97}}^1\times {\mathrm{109}}^1$

素因数の和:228

約数の個数: 40

約数和(自身を含む): 25257540

約数和(自身を除く): 12041290

約数列:

[1, 2, 5, 10, 25, 50, 97, 109, 125, 194, 218, 250, 485, 545, 625, 970, 1090, 1250, 2425, 2725, 4850, 5450, 10573, 12125, 13625, 21146, 24250, 27250, 52865, 60625, 68125, 105730, 121250, 136250, 264325, 528650, 1321625, 2643250, 6608125, 13216250]

約数ペア:

[(1, 13216250), (2, 6608125), (5, 2643250), (10, 1321625), (25, 528650), (50, 264325), (97, 136250), (109, 121250), (125, 105730), (194, 68125), (218, 60625), (250, 52865), (485, 27250), (545, 24250), (625, 21146), (970, 13625), (1090, 12125), (1250, 10573), (2425, 5450), (2725, 4850)]