51209120

素因数分解:

$2^5\times 5^1\times {\mathrm{320057}}^1$

素因数の和:320072

約数の個数: 24

約数和(自身を含む): 120981924

約数和(自身を除く): 69772804

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 320057, 640114, 1280228, 1600285, 2560456, 3200570, 5120912, 6401140, 10241824, 12802280, 25604560, 51209120]

約数ペア:

[(1, 51209120), (2, 25604560), (4, 12802280), (5, 10241824), (8, 6401140), (10, 5120912), (16, 3200570), (20, 2560456), (32, 1600285), (40, 1280228), (80, 640114), (160, 320057)]