17956480

素因数分解:

$2^7\times 5^1\times {\mathrm{28057}}^1$

素因数の和:28076

約数の個数: 32

約数和(自身を含む): 42928740

約数和(自身を除く): 24972260

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 28057, 56114, 112228, 140285, 224456, 280570, 448912, 561140, 897824, 1122280, 1795648, 2244560, 3591296, 4489120, 8978240, 17956480]

約数ペア:

[(1, 17956480), (2, 8978240), (4, 4489120), (5, 3591296), (8, 2244560), (10, 1795648), (16, 1122280), (20, 897824), (32, 561140), (40, 448912), (64, 280570), (80, 224456), (128, 140285), (160, 112228), (320, 56114), (640, 28057)]