90101320

素因数分解:

$2^3\times 5^1\times {\mathrm{883}}^1\times {\mathrm{2551}}^1$

素因数の和:3445

約数の個数: 32

約数和(自身を含む): 203037120

約数和(自身を除く): 112935800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 883, 1766, 2551, 3532, 4415, 5102, 7064, 8830, 10204, 12755, 17660, 20408, 25510, 35320, 51020, 102040, 2252533, 4505066, 9010132, 11262665, 18020264, 22525330, 45050660, 90101320]

約数ペア:

[(1, 90101320), (2, 45050660), (4, 22525330), (5, 18020264), (8, 11262665), (10, 9010132), (20, 4505066), (40, 2252533), (883, 102040), (1766, 51020), (2551, 35320), (3532, 25510), (4415, 20408), (5102, 17660), (7064, 12755), (8830, 10204)]