66001640

素因数分解:

$2^3\times 5^1\times {\mathrm{1650041}}^1$

素因数の和:1650052

約数の個数: 16

約数和(自身を含む): 148503780

約数和(自身を除く): 82502140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1650041, 3300082, 6600164, 8250205, 13200328, 16500410, 33000820, 66001640]

約数ペア:

[(1, 66001640), (2, 33000820), (4, 16500410), (5, 13200328), (8, 8250205), (10, 6600164), (20, 3300082), (40, 1650041)]