81584960

素因数分解:

$2^6\times 5^1\times {\mathrm{193}}^1\times {\mathrm{1321}}^1$

素因数の和:1531

約数の個数: 56

約数和(自身を含む): 195428616

約数和(自身を除く): 113843656

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 193, 320, 386, 772, 965, 1321, 1544, 1930, 2642, 3088, 3860, 5284, 6176, 6605, 7720, 10568, 12352, 13210, 15440, 21136, 26420, 30880, 42272, 52840, 61760, 84544, 105680, 211360, 254953, 422720, 509906, 1019812, 1274765, 2039624, 2549530, 4079248, 5099060, 8158496, 10198120, 16316992, 20396240, 40792480, 81584960]

約数ペア:

[(1, 81584960), (2, 40792480), (4, 20396240), (5, 16316992), (8, 10198120), (10, 8158496), (16, 5099060), (20, 4079248), (32, 2549530), (40, 2039624), (64, 1274765), (80, 1019812), (160, 509906), (193, 422720), (320, 254953), (386, 211360), (772, 105680), (965, 84544), (1321, 61760), (1544, 52840), (1930, 42272), (2642, 30880), (3088, 26420), (3860, 21136), (5284, 15440), (6176, 13210), (6605, 12352), (7720, 10568)]