1317520

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{383}}^1$

素因数の和:439

約数の個数: 40

約数和(自身を含む): 3142656

約数和(自身を除く): 1825136

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 383, 430, 688, 766, 860, 1532, 1720, 1915, 3064, 3440, 3830, 6128, 7660, 15320, 16469, 30640, 32938, 65876, 82345, 131752, 164690, 263504, 329380, 658760, 1317520]

約数ペア:

[(1, 1317520), (2, 658760), (4, 329380), (5, 263504), (8, 164690), (10, 131752), (16, 82345), (20, 65876), (40, 32938), (43, 30640), (80, 16469), (86, 15320), (172, 7660), (215, 6128), (344, 3830), (383, 3440), (430, 3064), (688, 1915), (766, 1720), (860, 1532)]