68702320

素因数分解:

$2^4\times 5^1\times {\mathrm{499}}^1\times {\mathrm{1721}}^1$

素因数の和:2233

約数の個数: 40

約数和(自身を含む): 160146000

約数和(自身を除く): 91443680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 499, 998, 1721, 1996, 2495, 3442, 3992, 4990, 6884, 7984, 8605, 9980, 13768, 17210, 19960, 27536, 34420, 39920, 68840, 137680, 858779, 1717558, 3435116, 4293895, 6870232, 8587790, 13740464, 17175580, 34351160, 68702320]

約数ペア:

[(1, 68702320), (2, 34351160), (4, 17175580), (5, 13740464), (8, 8587790), (10, 6870232), (16, 4293895), (20, 3435116), (40, 1717558), (80, 858779), (499, 137680), (998, 68840), (1721, 39920), (1996, 34420), (2495, 27536), (3442, 19960), (3992, 17210), (4990, 13768), (6884, 9980), (7984, 8605)]