165528640

素因数分解:

$2^6\times 5^1\times {\mathrm{517277}}^1$

素因数の和:517294

約数の個数: 28

約数和(自身を含む): 394165836

約数和(自身を除く): 228637196

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 517277, 1034554, 2069108, 2586385, 4138216, 5172770, 8276432, 10345540, 16552864, 20691080, 33105728, 41382160, 82764320, 165528640]

約数ペア:

[(1, 165528640), (2, 82764320), (4, 41382160), (5, 33105728), (8, 20691080), (10, 16552864), (16, 10345540), (20, 8276432), (32, 5172770), (40, 4138216), (64, 2586385), (80, 2069108), (160, 1034554), (320, 517277)]