9856640

素因数分解:

$2^7\times 5^1\times {\mathrm{15401}}^1$

素因数の和:15420

約数の個数: 32

約数和(自身を含む): 23565060

約数和(自身を除く): 13708420

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 15401, 30802, 61604, 77005, 123208, 154010, 246416, 308020, 492832, 616040, 985664, 1232080, 1971328, 2464160, 4928320, 9856640]

約数ペア:

[(1, 9856640), (2, 4928320), (4, 2464160), (5, 1971328), (8, 1232080), (10, 985664), (16, 616040), (20, 492832), (32, 308020), (40, 246416), (64, 154010), (80, 123208), (128, 77005), (160, 61604), (320, 30802), (640, 15401)]