99668840

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{57947}}^1$

素因数の和:58001

約数の個数: 32

約数和(自身を含む): 229474080

約数和(自身を除く): 129805240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 57947, 115894, 231788, 289735, 463576, 579470, 1158940, 2317880, 2491721, 4983442, 9966884, 12458605, 19933768, 24917210, 49834420, 99668840]

約数ペア:

[(1, 99668840), (2, 49834420), (4, 24917210), (5, 19933768), (8, 12458605), (10, 9966884), (20, 4983442), (40, 2491721), (43, 2317880), (86, 1158940), (172, 579470), (215, 463576), (344, 289735), (430, 231788), (860, 115894), (1720, 57947)]