206384320

素因数分解:

$2^6\times 5^1\times {\mathrm{644951}}^1$

素因数の和:644968

約数の個数: 28

約数和(自身を含む): 491453424

約数和(自身を除く): 285069104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 644951, 1289902, 2579804, 3224755, 5159608, 6449510, 10319216, 12899020, 20638432, 25798040, 41276864, 51596080, 103192160, 206384320]

約数ペア:

[(1, 206384320), (2, 103192160), (4, 51596080), (5, 41276864), (8, 25798040), (10, 20638432), (16, 12899020), (20, 10319216), (32, 6449510), (40, 5159608), (64, 3224755), (80, 2579804), (160, 1289902), (320, 644951)]