26780785

素因数分解:

$5^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{401}}^1$

素因数の和:481

約数の個数: 24

約数和(自身を含む): 34920936

約数和(自身を除く): 8140151

約数列:

[1, 5, 19, 37, 95, 185, 361, 401, 703, 1805, 2005, 3515, 7619, 13357, 14837, 38095, 66785, 74185, 144761, 281903, 723805, 1409515, 5356157, 26780785]

約数ペア:

[(1, 26780785), (5, 5356157), (19, 1409515), (37, 723805), (95, 281903), (185, 144761), (361, 74185), (401, 66785), (703, 38095), (1805, 14837), (2005, 13357), (3515, 7619)]