51177040

素因数分解:

$2^4\times 5^1\times {\mathrm{639713}}^1$

素因数の和:639726

約数の個数: 20

約数和(自身を含む): 118986804

約数和(自身を除く): 67809764

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 639713, 1279426, 2558852, 3198565, 5117704, 6397130, 10235408, 12794260, 25588520, 51177040]

約数ペア:

[(1, 51177040), (2, 25588520), (4, 12794260), (5, 10235408), (8, 6397130), (10, 5117704), (16, 3198565), (20, 2558852), (40, 1279426), (80, 639713)]