12120575

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{79}}^1$

素因数の和:144

約数の個数: 36

約数和(自身を含む): 17007840

約数和(自身を除く): 4887265

約数列:

[1, 5, 17, 19, 25, 79, 85, 95, 323, 361, 395, 425, 475, 1343, 1501, 1615, 1805, 1975, 6137, 6715, 7505, 8075, 9025, 25517, 28519, 30685, 33575, 37525, 127585, 142595, 153425, 484823, 637925, 712975, 2424115, 12120575]

約数ペア:

[(1, 12120575), (5, 2424115), (17, 712975), (19, 637925), (25, 484823), (79, 153425), (85, 142595), (95, 127585), (323, 37525), (361, 33575), (395, 30685), (425, 28519), (475, 25517), (1343, 9025), (1501, 8075), (1615, 7505), (1805, 6715), (1975, 6137)]