81444380

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{1753}}^1$

素因数の和:1886

約数の個数: 48

約数和(自身を含む): 180339264

約数和(自身を除く): 98894884

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 101, 115, 202, 230, 404, 460, 505, 1010, 1753, 2020, 2323, 3506, 4646, 7012, 8765, 9292, 11615, 17530, 23230, 35060, 40319, 46460, 80638, 161276, 177053, 201595, 354106, 403190, 708212, 806380, 885265, 1770530, 3541060, 4072219, 8144438, 16288876, 20361095, 40722190, 81444380]

約数ペア:

[(1, 81444380), (2, 40722190), (4, 20361095), (5, 16288876), (10, 8144438), (20, 4072219), (23, 3541060), (46, 1770530), (92, 885265), (101, 806380), (115, 708212), (202, 403190), (230, 354106), (404, 201595), (460, 177053), (505, 161276), (1010, 80638), (1753, 46460), (2020, 40319), (2323, 35060), (3506, 23230), (4646, 17530), (7012, 11615), (8765, 9292)]