78814040

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{115903}}^1$

素因数の和:115931

約数の個数: 32

約数和(自身を含む): 187764480

約数和(自身を除く): 108950440

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 115903, 231806, 463612, 579515, 927224, 1159030, 1970351, 2318060, 3940702, 4636120, 7881404, 9851755, 15762808, 19703510, 39407020, 78814040]

約数ペア:

[(1, 78814040), (2, 39407020), (4, 19703510), (5, 15762808), (8, 9851755), (10, 7881404), (17, 4636120), (20, 3940702), (34, 2318060), (40, 1970351), (68, 1159030), (85, 927224), (136, 579515), (170, 463612), (340, 231806), (680, 115903)]