17968640

素因数分解:

$2^9\times 5^1\times {\mathrm{7019}}^1$

素因数の和:7042

約数の個数: 40

約数和(自身を含む): 43088760

約数和(自身を除く): 25120120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 7019, 14038, 28076, 35095, 56152, 70190, 112304, 140380, 224608, 280760, 449216, 561520, 898432, 1123040, 1796864, 2246080, 3593728, 4492160, 8984320, 17968640]

約数ペア:

[(1, 17968640), (2, 8984320), (4, 4492160), (5, 3593728), (8, 2246080), (10, 1796864), (16, 1123040), (20, 898432), (32, 561520), (40, 449216), (64, 280760), (80, 224608), (128, 140380), (160, 112304), (256, 70190), (320, 56152), (512, 35095), (640, 28076), (1280, 14038), (2560, 7019)]