9915520

素因数分解:

$2^7\times 5^1\times {\mathrm{15493}}^1$

素因数の和:15512

約数の個数: 32

約数和(自身を含む): 23705820

約数和(自身を除く): 13790300

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 15493, 30986, 61972, 77465, 123944, 154930, 247888, 309860, 495776, 619720, 991552, 1239440, 1983104, 2478880, 4957760, 9915520]

約数ペア:

[(1, 9915520), (2, 4957760), (4, 2478880), (5, 1983104), (8, 1239440), (10, 991552), (16, 619720), (20, 495776), (32, 309860), (40, 247888), (64, 154930), (80, 123944), (128, 77465), (160, 61972), (320, 30986), (640, 15493)]