51064240

素因数分解:

$2^4\times 5^1\times {\mathrm{638303}}^1$

素因数の和:638316

約数の個数: 20

約数和(自身を含む): 118724544

約数和(自身を除く): 67660304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 638303, 1276606, 2553212, 3191515, 5106424, 6383030, 10212848, 12766060, 25532120, 51064240]

約数ペア:

[(1, 51064240), (2, 25532120), (4, 12766060), (5, 10212848), (8, 6383030), (10, 5106424), (16, 3191515), (20, 2553212), (40, 1276606), (80, 638303)]