78395020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{8287}}^1$

素因数の和:8350

約数の個数: 48

約数和(自身を含む): 183794688

約数和(自身を除く): 105399668

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 172, 215, 220, 430, 473, 860, 946, 1892, 2365, 4730, 8287, 9460, 16574, 33148, 41435, 82870, 91157, 165740, 182314, 356341, 364628, 455785, 712682, 911570, 1425364, 1781705, 1823140, 3563410, 3919751, 7126820, 7839502, 15679004, 19598755, 39197510, 78395020]

約数ペア:

[(1, 78395020), (2, 39197510), (4, 19598755), (5, 15679004), (10, 7839502), (11, 7126820), (20, 3919751), (22, 3563410), (43, 1823140), (44, 1781705), (55, 1425364), (86, 911570), (110, 712682), (172, 455785), (215, 364628), (220, 356341), (430, 182314), (473, 165740), (860, 91157), (946, 82870), (1892, 41435), (2365, 33148), (4730, 16574), (8287, 9460)]