320417744

素因数分解:

$2^4\times {\mathrm{389}}^1\times {\mathrm{51481}}^1$

素因数の和:51878

約数の個数: 20

約数和(自身を含む): 622417380

約数和(自身を除く): 301999636

約数列:

[1, 2, 4, 8, 16, 389, 778, 1556, 3112, 6224, 51481, 102962, 205924, 411848, 823696, 20026109, 40052218, 80104436, 160208872, 320417744]

約数ペア:

[(1, 320417744), (2, 160208872), (4, 80104436), (8, 40052218), (16, 20026109), (389, 823696), (778, 411848), (1556, 205924), (3112, 102962), (6224, 51481)]