1064927720

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{299137}}^1$

素因数の和:299237

約数の個数: 32

約数和(自身を含む): 2423017800

約数和(自身を除く): 1358090080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 299137, 598274, 1196548, 1495685, 2393096, 2991370, 5982740, 11965480, 26623193, 53246386, 106492772, 133115965, 212985544, 266231930, 532463860, 1064927720]

約数ペア:

[(1, 1064927720), (2, 532463860), (4, 266231930), (5, 212985544), (8, 133115965), (10, 106492772), (20, 53246386), (40, 26623193), (89, 11965480), (178, 5982740), (356, 2991370), (445, 2393096), (712, 1495685), (890, 1196548), (1780, 598274), (3560, 299137)]