128323625

素因数分解:

$5^3\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{761}}^1$

素因数の和:866

約数の個数: 32

約数和(自身を含む): 171175680

約数和(自身を除く): 42852055

約数列:

[1, 5, 19, 25, 71, 95, 125, 355, 475, 761, 1349, 1775, 2375, 3805, 6745, 8875, 14459, 19025, 33725, 54031, 72295, 95125, 168625, 270155, 361475, 1026589, 1350775, 1807375, 5132945, 6753875, 25664725, 128323625]

約数ペア:

[(1, 128323625), (5, 25664725), (19, 6753875), (25, 5132945), (71, 1807375), (95, 1350775), (125, 1026589), (355, 361475), (475, 270155), (761, 168625), (1349, 95125), (1775, 72295), (2375, 54031), (3805, 33725), (6745, 19025), (8875, 14459)]