2559775

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{317}}^1$

素因数の和:363

約数の個数: 24

約数和(自身を含む): 3548880

約数和(自身を除く): 989105

約数列:

[1, 5, 17, 19, 25, 85, 95, 317, 323, 425, 475, 1585, 1615, 5389, 6023, 7925, 8075, 26945, 30115, 102391, 134725, 150575, 511955, 2559775]

約数ペア:

[(1, 2559775), (5, 511955), (17, 150575), (19, 134725), (25, 102391), (85, 30115), (95, 26945), (317, 8075), (323, 7925), (425, 6023), (475, 5389), (1585, 1615)]