40538495

素因数分解:

$5^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{607}}^1$

素因数の和:687

約数の個数: 24

約数和(自身を含む): 52815744

約数和(自身を除く): 12277249

約数列:

[1, 5, 19, 37, 95, 185, 361, 607, 703, 1805, 3035, 3515, 11533, 13357, 22459, 57665, 66785, 112295, 219127, 426721, 1095635, 2133605, 8107699, 40538495]

約数ペア:

[(1, 40538495), (5, 8107699), (19, 2133605), (37, 1095635), (95, 426721), (185, 219127), (361, 112295), (607, 66785), (703, 57665), (1805, 22459), (3035, 13357), (3515, 11533)]