845920

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{311}}^1$

素因数の和:343

約数の個数: 48

約数和(自身を含む): 2122848

約数和(自身を除く): 1276928

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 311, 340, 544, 622, 680, 1244, 1360, 1555, 2488, 2720, 3110, 4976, 5287, 6220, 9952, 10574, 12440, 21148, 24880, 26435, 42296, 49760, 52870, 84592, 105740, 169184, 211480, 422960, 845920]

約数ペア:

[(1, 845920), (2, 422960), (4, 211480), (5, 169184), (8, 105740), (10, 84592), (16, 52870), (17, 49760), (20, 42296), (32, 26435), (34, 24880), (40, 21148), (68, 12440), (80, 10574), (85, 9952), (136, 6220), (160, 5287), (170, 4976), (272, 3110), (311, 2720), (340, 2488), (544, 1555), (622, 1360), (680, 1244)]