2760125

素因数分解:

$5^3\times {\mathrm{71}}^1\times {\mathrm{311}}^1$

素因数の和:397

約数の個数: 16

約数和(自身を含む): 3504384

約数和(自身を除く): 744259

約数列:

[1, 5, 25, 71, 125, 311, 355, 1555, 1775, 7775, 8875, 22081, 38875, 110405, 552025, 2760125]

約数ペア:

[(1, 2760125), (5, 552025), (25, 110405), (71, 38875), (125, 22081), (311, 8875), (355, 7775), (1555, 1775)]