81372448

素因数分解:

$2^5\times {\mathrm{491}}^1\times {\mathrm{5179}}^1$

素因数の和:5680

約数の個数: 24

約数和(自身を含む): 160559280

約数和(自身を除く): 79186832

約数列:

[1, 2, 4, 8, 16, 32, 491, 982, 1964, 3928, 5179, 7856, 10358, 15712, 20716, 41432, 82864, 165728, 2542889, 5085778, 10171556, 20343112, 40686224, 81372448]

約数ペア:

[(1, 81372448), (2, 40686224), (4, 20343112), (8, 10171556), (16, 5085778), (32, 2542889), (491, 165728), (982, 82864), (1964, 41432), (3928, 20716), (5179, 15712), (7856, 10358)]