1720264225

素因数分解:

$5^2\times {\mathrm{83}}^1\times {\mathrm{409}}^1\times {\mathrm{2027}}^1$

素因数の和:2529

約数の個数: 24

約数和(自身を含む): 2165173920

約数和(自身を除く): 444909695

約数列:

[1, 5, 25, 83, 409, 415, 2027, 2045, 2075, 10135, 10225, 33947, 50675, 168241, 169735, 829043, 841205, 848675, 4145215, 4206025, 20726075, 68810569, 344052845, 1720264225]

約数ペア:

[(1, 1720264225), (5, 344052845), (25, 68810569), (83, 20726075), (409, 4206025), (415, 4145215), (2027, 848675), (2045, 841205), (2075, 829043), (10135, 169735), (10225, 168241), (33947, 50675)]