7268720

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2113}}^1$

素因数の和:2169

約数の個数: 40

約数和(自身を含む): 17300976

約数和(自身を除く): 10032256

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 2113, 3440, 4226, 8452, 10565, 16904, 21130, 33808, 42260, 84520, 90859, 169040, 181718, 363436, 454295, 726872, 908590, 1453744, 1817180, 3634360, 7268720]

約数ペア:

[(1, 7268720), (2, 3634360), (4, 1817180), (5, 1453744), (8, 908590), (10, 726872), (16, 454295), (20, 363436), (40, 181718), (43, 169040), (80, 90859), (86, 84520), (172, 42260), (215, 33808), (344, 21130), (430, 16904), (688, 10565), (860, 8452), (1720, 4226), (2113, 3440)]