66168320

素因数分解:

$2^9\times 5^1\times {\mathrm{25847}}^1$

素因数の和:25870

約数の個数: 40

約数和(自身を含む): 158655024

約数和(自身を除く): 92486704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 25847, 51694, 103388, 129235, 206776, 258470, 413552, 516940, 827104, 1033880, 1654208, 2067760, 3308416, 4135520, 6616832, 8271040, 13233664, 16542080, 33084160, 66168320]

約数ペア:

[(1, 66168320), (2, 33084160), (4, 16542080), (5, 13233664), (8, 8271040), (10, 6616832), (16, 4135520), (20, 3308416), (32, 2067760), (40, 1654208), (64, 1033880), (80, 827104), (128, 516940), (160, 413552), (256, 258470), (320, 206776), (512, 129235), (640, 103388), (1280, 51694), (2560, 25847)]