81449690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{40123}}^1$

素因数の和:40166

約数の個数: 32

約数和(自身を含む): 173335680

約数和(自身を除く): 91885990

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 145, 203, 290, 406, 1015, 2030, 40123, 80246, 200615, 280861, 401230, 561722, 1163567, 1404305, 2327134, 2808610, 5817835, 8144969, 11635670, 16289938, 40724845, 81449690]

約数ペア:

[(1, 81449690), (2, 40724845), (5, 16289938), (7, 11635670), (10, 8144969), (14, 5817835), (29, 2808610), (35, 2327134), (58, 1404305), (70, 1163567), (145, 561722), (203, 401230), (290, 280861), (406, 200615), (1015, 80246), (2030, 40123)]