80169340

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{277}}^1\times {\mathrm{499}}^1$

素因数の和:814

約数の個数: 48

約数和(自身を含む): 175140000

約数和(自身を除く): 94970660

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 277, 290, 499, 554, 580, 998, 1108, 1385, 1996, 2495, 2770, 4990, 5540, 8033, 9980, 14471, 16066, 28942, 32132, 40165, 57884, 72355, 80330, 138223, 144710, 160660, 276446, 289420, 552892, 691115, 1382230, 2764460, 4008467, 8016934, 16033868, 20042335, 40084670, 80169340]

約数ペア:

[(1, 80169340), (2, 40084670), (4, 20042335), (5, 16033868), (10, 8016934), (20, 4008467), (29, 2764460), (58, 1382230), (116, 691115), (145, 552892), (277, 289420), (290, 276446), (499, 160660), (554, 144710), (580, 138223), (998, 80330), (1108, 72355), (1385, 57884), (1996, 40165), (2495, 32132), (2770, 28942), (4990, 16066), (5540, 14471), (8033, 9980)]