6378880

素因数分解:

$2^7\times 5^1\times {\mathrm{9967}}^1$

素因数の和:9986

約数の個数: 32

約数和(自身を含む): 15251040

約数和(自身を除く): 8872160

約数列:

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

約数ペア:

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