51355625

素因数分解:

$5^4\times {\mathrm{127}}^1\times {\mathrm{647}}^1$

素因数の和:794

約数の個数: 20

約数和(自身を含む): 64779264

約数和(自身を除く): 13423639

約数列:

[1, 5, 25, 125, 127, 625, 635, 647, 3175, 3235, 15875, 16175, 79375, 80875, 82169, 404375, 410845, 2054225, 10271125, 51355625]

約数ペア:

[(1, 51355625), (5, 10271125), (25, 2054225), (125, 410845), (127, 404375), (625, 82169), (635, 80875), (647, 79375), (3175, 16175), (3235, 15875)]