28085360

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{193}}^1$

素因数の和:330

約数の個数: 80

約数和(自身を含む): 70147296

約数和(自身を除く): 42061936

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 107, 136, 170, 193, 214, 272, 340, 386, 428, 535, 680, 772, 856, 965, 1070, 1360, 1544, 1712, 1819, 1930, 2140, 3088, 3281, 3638, 3860, 4280, 6562, 7276, 7720, 8560, 9095, 13124, 14552, 15440, 16405, 18190, 20651, 26248, 29104, 32810, 36380, 41302, 52496, 65620, 72760, 82604, 103255, 131240, 145520, 165208, 206510, 262480, 330416, 351067, 413020, 702134, 826040, 1404268, 1652080, 1755335, 2808536, 3510670, 5617072, 7021340, 14042680, 28085360]

約数ペア:

[(1, 28085360), (2, 14042680), (4, 7021340), (5, 5617072), (8, 3510670), (10, 2808536), (16, 1755335), (17, 1652080), (20, 1404268), (34, 826040), (40, 702134), (68, 413020), (80, 351067), (85, 330416), (107, 262480), (136, 206510), (170, 165208), (193, 145520), (214, 131240), (272, 103255), (340, 82604), (386, 72760), (428, 65620), (535, 52496), (680, 41302), (772, 36380), (856, 32810), (965, 29104), (1070, 26248), (1360, 20651), (1544, 18190), (1712, 16405), (1819, 15440), (1930, 14552), (2140, 13124), (3088, 9095), (3281, 8560), (3638, 7720), (3860, 7276), (4280, 6562)]