1280453750

素因数分解:

$2^1\times 5^4\times {\mathrm{67}}^1\times {\mathrm{15289}}^1$

素因数の和:15378

約数の個数: 40

約数和(自身を含む): 2436063960

約数和(自身を除く): 1155610210

約数列:

[1, 2, 5, 10, 25, 50, 67, 125, 134, 250, 335, 625, 670, 1250, 1675, 3350, 8375, 15289, 16750, 30578, 41875, 76445, 83750, 152890, 382225, 764450, 1024363, 1911125, 2048726, 3822250, 5121815, 9555625, 10243630, 19111250, 25609075, 51218150, 128045375, 256090750, 640226875, 1280453750]

約数ペア:

[(1, 1280453750), (2, 640226875), (5, 256090750), (10, 128045375), (25, 51218150), (50, 25609075), (67, 19111250), (125, 10243630), (134, 9555625), (250, 5121815), (335, 3822250), (625, 2048726), (670, 1911125), (1250, 1024363), (1675, 764450), (3350, 382225), (8375, 152890), (15289, 83750), (16750, 76445), (30578, 41875)]