25789555

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1$

素因数の和:124

約数の個数: 64

約数和(自身を含む): 39398400

約数和(自身を除く): 13608845

約数列:

[1, 5, 11, 19, 23, 29, 37, 55, 95, 115, 145, 185, 209, 253, 319, 407, 437, 551, 667, 703, 851, 1045, 1073, 1265, 1595, 2035, 2185, 2755, 3335, 3515, 4255, 4807, 5365, 6061, 7337, 7733, 9361, 11803, 12673, 16169, 20387, 24035, 24679, 30305, 36685, 38665, 46805, 59015, 63365, 80845, 101935, 123395, 139403, 177859, 224257, 271469, 468901, 697015, 889295, 1121285, 1357345, 2344505, 5157911, 25789555]

約数ペア:

[(1, 25789555), (5, 5157911), (11, 2344505), (19, 1357345), (23, 1121285), (29, 889295), (37, 697015), (55, 468901), (95, 271469), (115, 224257), (145, 177859), (185, 139403), (209, 123395), (253, 101935), (319, 80845), (407, 63365), (437, 59015), (551, 46805), (667, 38665), (703, 36685), (851, 30305), (1045, 24679), (1073, 24035), (1265, 20387), (1595, 16169), (2035, 12673), (2185, 11803), (2755, 9361), (3335, 7733), (3515, 7337), (4255, 6061), (4807, 5365)]