38913425

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:186

約数の個数: 48

約数和(自身を含む): 55353600

約数和(自身を除く): 16440175

約数列:

[1, 5, 17, 19, 25, 61, 79, 85, 95, 305, 323, 395, 425, 475, 1037, 1159, 1343, 1501, 1525, 1615, 1975, 4819, 5185, 5795, 6715, 7505, 8075, 19703, 24095, 25517, 25925, 28975, 33575, 37525, 81923, 91561, 98515, 120475, 127585, 409615, 457805, 492575, 637925, 1556537, 2048075, 2289025, 7782685, 38913425]

約数ペア:

[(1, 38913425), (5, 7782685), (17, 2289025), (19, 2048075), (25, 1556537), (61, 637925), (79, 492575), (85, 457805), (95, 409615), (305, 127585), (323, 120475), (395, 98515), (425, 91561), (475, 81923), (1037, 37525), (1159, 33575), (1343, 28975), (1501, 25925), (1525, 25517), (1615, 24095), (1975, 19703), (4819, 8075), (5185, 7505), (5795, 6715)]