81946460

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{8311}}^1$

素因数の和:8366

約数の個数: 48

約数和(自身を含む): 188516160

約数和(自身を除く): 106569700

約数列:

[1, 2, 4, 5, 10, 17, 20, 29, 34, 58, 68, 85, 116, 145, 170, 290, 340, 493, 580, 986, 1972, 2465, 4930, 8311, 9860, 16622, 33244, 41555, 83110, 141287, 166220, 241019, 282574, 482038, 565148, 706435, 964076, 1205095, 1412870, 2410190, 2825740, 4097323, 4820380, 8194646, 16389292, 20486615, 40973230, 81946460]

約数ペア:

[(1, 81946460), (2, 40973230), (4, 20486615), (5, 16389292), (10, 8194646), (17, 4820380), (20, 4097323), (29, 2825740), (34, 2410190), (58, 1412870), (68, 1205095), (85, 964076), (116, 706435), (145, 565148), (170, 482038), (290, 282574), (340, 241019), (493, 166220), (580, 141287), (986, 83110), (1972, 41555), (2465, 33244), (4930, 16622), (8311, 9860)]