2658906680

素因数分解:

$2^3\times 5^1\times {\mathrm{887}}^1\times {\mathrm{74941}}^1$

素因数の和:75839

約数の個数: 32

約数和(自身を含む): 5989364640

約数和(自身を除く): 3330457960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 887, 1774, 3548, 4435, 7096, 8870, 17740, 35480, 74941, 149882, 299764, 374705, 599528, 749410, 1498820, 2997640, 66472667, 132945334, 265890668, 332363335, 531781336, 664726670, 1329453340, 2658906680]

約数ペア:

[(1, 2658906680), (2, 1329453340), (4, 664726670), (5, 531781336), (8, 332363335), (10, 265890668), (20, 132945334), (40, 66472667), (887, 2997640), (1774, 1498820), (3548, 749410), (4435, 599528), (7096, 374705), (8870, 299764), (17740, 149882), (35480, 74941)]