39842840

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{21193}}^1$

素因数の和:21251

約数の個数: 32

約数和(自身を含む): 91558080

約数和(自身を除く): 51715240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 21193, 42386, 84772, 105965, 169544, 211930, 423860, 847720, 996071, 1992142, 3984284, 4980355, 7968568, 9960710, 19921420, 39842840]

約数ペア:

[(1, 39842840), (2, 19921420), (4, 9960710), (5, 7968568), (8, 4980355), (10, 3984284), (20, 1992142), (40, 996071), (47, 847720), (94, 423860), (188, 211930), (235, 169544), (376, 105965), (470, 84772), (940, 42386), (1880, 21193)]