4989340

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2803}}^1$

素因数の和:2901

約数の個数: 24

約数和(自身を含む): 10599120

約数和(自身を除く): 5609780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 2803, 5606, 11212, 14015, 28030, 56060, 249467, 498934, 997868, 1247335, 2494670, 4989340]

約数ペア:

[(1, 4989340), (2, 2494670), (4, 1247335), (5, 997868), (10, 498934), (20, 249467), (89, 56060), (178, 28030), (356, 14015), (445, 11212), (890, 5606), (1780, 2803)]