42128500

素因数分解:

$2^2\times 5^3\times {\mathrm{109}}^1\times {\mathrm{773}}^1$

素因数の和:901

約数の個数: 48

約数和(自身を含む): 92972880

約数和(自身を除く): 50844380

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 109, 125, 218, 250, 436, 500, 545, 773, 1090, 1546, 2180, 2725, 3092, 3865, 5450, 7730, 10900, 13625, 15460, 19325, 27250, 38650, 54500, 77300, 84257, 96625, 168514, 193250, 337028, 386500, 421285, 842570, 1685140, 2106425, 4212850, 8425700, 10532125, 21064250, 42128500]

約数ペア:

[(1, 42128500), (2, 21064250), (4, 10532125), (5, 8425700), (10, 4212850), (20, 2106425), (25, 1685140), (50, 842570), (100, 421285), (109, 386500), (125, 337028), (218, 193250), (250, 168514), (436, 96625), (500, 84257), (545, 77300), (773, 54500), (1090, 38650), (1546, 27250), (2180, 19325), (2725, 15460), (3092, 13625), (3865, 10900), (5450, 7730)]