26260390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{2557}}^1$

素因数の和:2656

約数の個数: 32

約数和(自身を含む): 51569280

約数和(自身を除く): 25308890

約数列:

[1, 2, 5, 10, 13, 26, 65, 79, 130, 158, 395, 790, 1027, 2054, 2557, 5114, 5135, 10270, 12785, 25570, 33241, 66482, 166205, 202003, 332410, 404006, 1010015, 2020030, 2626039, 5252078, 13130195, 26260390]

約数ペア:

[(1, 26260390), (2, 13130195), (5, 5252078), (10, 2626039), (13, 2020030), (26, 1010015), (65, 404006), (79, 332410), (130, 202003), (158, 166205), (395, 66482), (790, 33241), (1027, 25570), (2054, 12785), (2557, 10270), (5114, 5135)]