26580464

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{40519}}^1$

素因数の和:40568

約数の個数: 20

約数和(自身を含む): 52757040

約数和(自身を除く): 26176576

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 40519, 81038, 162076, 324152, 648304, 1661279, 3322558, 6645116, 13290232, 26580464]

約数ペア:

[(1, 26580464), (2, 13290232), (4, 6645116), (8, 3322558), (16, 1661279), (41, 648304), (82, 324152), (164, 162076), (328, 81038), (656, 40519)]