51869680

素因数分解:

$2^4\times 5^1\times {\mathrm{648371}}^1$

素因数の和:648384

約数の個数: 20

約数和(自身を含む): 120597192

約数和(自身を除く): 68727512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 648371, 1296742, 2593484, 3241855, 5186968, 6483710, 10373936, 12967420, 25934840, 51869680]

約数ペア:

[(1, 51869680), (2, 25934840), (4, 12967420), (5, 10373936), (8, 6483710), (10, 5186968), (16, 3241855), (20, 2593484), (40, 1296742), (80, 648371)]