39904085

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{409}}^1$

素因数の和:525

約数の個数: 32

約数和(自身を含む): 55104000

約数和(自身を除く): 15199915

約数列:

[1, 5, 13, 19, 65, 79, 95, 247, 395, 409, 1027, 1235, 1501, 2045, 5135, 5317, 7505, 7771, 19513, 26585, 32311, 38855, 97565, 101023, 161555, 420043, 505115, 613909, 2100215, 3069545, 7980817, 39904085]

約数ペア:

[(1, 39904085), (5, 7980817), (13, 3069545), (19, 2100215), (65, 613909), (79, 505115), (95, 420043), (247, 161555), (395, 101023), (409, 97565), (1027, 38855), (1235, 32311), (1501, 26585), (2045, 19513), (5135, 7771), (5317, 7505)]