1286680

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1693}}^1$

素因数の和:1723

約数の個数: 32

約数和(自身を含む): 3049200

約数和(自身を除く): 1762520

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 1693, 3386, 6772, 8465, 13544, 16930, 32167, 33860, 64334, 67720, 128668, 160835, 257336, 321670, 643340, 1286680]

約数ペア:

[(1, 1286680), (2, 643340), (4, 321670), (5, 257336), (8, 160835), (10, 128668), (19, 67720), (20, 64334), (38, 33860), (40, 32167), (76, 16930), (95, 13544), (152, 8465), (190, 6772), (380, 3386), (760, 1693)]