8197520

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2383}}^1$

素因数の和:2439

約数の個数: 40

約数和(自身を含む): 19510656

約数和(自身を除く): 11313136

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 2383, 3440, 4766, 9532, 11915, 19064, 23830, 38128, 47660, 95320, 102469, 190640, 204938, 409876, 512345, 819752, 1024690, 1639504, 2049380, 4098760, 8197520]

約数ペア:

[(1, 8197520), (2, 4098760), (4, 2049380), (5, 1639504), (8, 1024690), (10, 819752), (16, 512345), (20, 409876), (40, 204938), (43, 190640), (80, 102469), (86, 95320), (172, 47660), (215, 38128), (344, 23830), (430, 19064), (688, 11915), (860, 9532), (1720, 4766), (2383, 3440)]