51355070

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{395039}}^1$

素因数の和:395059

約数の個数: 16

約数和(自身を含む): 99550080

約数和(自身を除く): 48195010

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 395039, 790078, 1975195, 3950390, 5135507, 10271014, 25677535, 51355070]

約数ペア:

[(1, 51355070), (2, 25677535), (5, 10271014), (10, 5135507), (13, 3950390), (26, 1975195), (65, 790078), (130, 395039)]