12757760

素因数分解:

$2^8\times 5^1\times {\mathrm{9967}}^1$

素因数の和:9988

約数の個数: 36

約数和(自身を含む): 30561888

約数和(自身を除く): 17804128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 9967, 19934, 39868, 49835, 79736, 99670, 159472, 199340, 318944, 398680, 637888, 797360, 1275776, 1594720, 2551552, 3189440, 6378880, 12757760]

約数ペア:

[(1, 12757760), (2, 6378880), (4, 3189440), (5, 2551552), (8, 1594720), (10, 1275776), (16, 797360), (20, 637888), (32, 398680), (40, 318944), (64, 199340), (80, 159472), (128, 99670), (160, 79736), (256, 49835), (320, 39868), (640, 19934), (1280, 9967)]