91264640

素因数分解:

$2^7\times 5^1\times {\mathrm{142601}}^1$

素因数の和:142620

約数の個数: 32

約数和(自身を含む): 218181060

約数和(自身を除く): 126916420

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 142601, 285202, 570404, 713005, 1140808, 1426010, 2281616, 2852020, 4563232, 5704040, 9126464, 11408080, 18252928, 22816160, 45632320, 91264640]

約数ペア:

[(1, 91264640), (2, 45632320), (4, 22816160), (5, 18252928), (8, 11408080), (10, 9126464), (16, 5704040), (20, 4563232), (32, 2852020), (40, 2281616), (64, 1426010), (80, 1140808), (128, 713005), (160, 570404), (320, 285202), (640, 142601)]