8636120

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{5021}}^1$

素因数の和:5075

約数の個数: 32

約数和(自身を含む): 19887120

約数和(自身を除く): 11251000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 5021, 10042, 20084, 25105, 40168, 50210, 100420, 200840, 215903, 431806, 863612, 1079515, 1727224, 2159030, 4318060, 8636120]

約数ペア:

[(1, 8636120), (2, 4318060), (4, 2159030), (5, 1727224), (8, 1079515), (10, 863612), (20, 431806), (40, 215903), (43, 200840), (86, 100420), (172, 50210), (215, 40168), (344, 25105), (430, 20084), (860, 10042), (1720, 5021)]