2028040325

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{457}}^1\times {\mathrm{6121}}^1$

素因数の和:6617

約数の個数: 24

約数和(自身を含む): 2607604680

約数和(自身を除く): 579564355

約数列:

[1, 5, 25, 29, 145, 457, 725, 2285, 6121, 11425, 13253, 30605, 66265, 153025, 177509, 331325, 887545, 2797297, 4437725, 13986485, 69932425, 81121613, 405608065, 2028040325]

約数ペア:

[(1, 2028040325), (5, 405608065), (25, 81121613), (29, 69932425), (145, 13986485), (457, 4437725), (725, 2797297), (2285, 887545), (6121, 331325), (11425, 177509), (13253, 153025), (30605, 66265)]