66718900

素因数分解:

$2^2\times 5^2\times {\mathrm{109}}^1\times {\mathrm{6121}}^1$

素因数の和:6244

約数の個数: 36

約数和(自身を含む): 146132140

約数和(自身を除く): 79413240

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 109, 218, 436, 545, 1090, 2180, 2725, 5450, 6121, 10900, 12242, 24484, 30605, 61210, 122420, 153025, 306050, 612100, 667189, 1334378, 2668756, 3335945, 6671890, 13343780, 16679725, 33359450, 66718900]

約数ペア:

[(1, 66718900), (2, 33359450), (4, 16679725), (5, 13343780), (10, 6671890), (20, 3335945), (25, 2668756), (50, 1334378), (100, 667189), (109, 612100), (218, 306050), (436, 153025), (545, 122420), (1090, 61210), (2180, 30605), (2725, 24484), (5450, 12242), (6121, 10900)]