78077680

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{22697}}^1$

素因数の和:22753

約数の個数: 40

約数和(自身を含む): 185760432

約数和(自身を除く): 107682752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 22697, 45394, 90788, 113485, 181576, 226970, 363152, 453940, 907880, 975971, 1815760, 1951942, 3903884, 4879855, 7807768, 9759710, 15615536, 19519420, 39038840, 78077680]

約数ペア:

[(1, 78077680), (2, 39038840), (4, 19519420), (5, 15615536), (8, 9759710), (10, 7807768), (16, 4879855), (20, 3903884), (40, 1951942), (43, 1815760), (80, 975971), (86, 907880), (172, 453940), (215, 363152), (344, 226970), (430, 181576), (688, 113485), (860, 90788), (1720, 45394), (3440, 22697)]