15948125

素因数分解:

$5^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1$

素因数の和:135

約数の個数: 40

約数和(自身を含む): 22492800

約数和(自身を除く): 6544675

約数列:

[1, 5, 17, 19, 25, 79, 85, 95, 125, 323, 395, 425, 475, 625, 1343, 1501, 1615, 1975, 2125, 2375, 6715, 7505, 8075, 9875, 10625, 11875, 25517, 33575, 37525, 40375, 49375, 127585, 167875, 187625, 201875, 637925, 839375, 938125, 3189625, 15948125]

約数ペア:

[(1, 15948125), (5, 3189625), (17, 938125), (19, 839375), (25, 637925), (79, 201875), (85, 187625), (95, 167875), (125, 127585), (323, 49375), (395, 40375), (425, 37525), (475, 33575), (625, 25517), (1343, 11875), (1501, 10625), (1615, 9875), (1975, 8075), (2125, 7505), (2375, 6715)]