822760

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{307}}^1$

素因数の和:385

約数の個数: 32

約数和(自身を含む): 1884960

約数和(自身を除く): 1062200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 307, 335, 536, 614, 670, 1228, 1340, 1535, 2456, 2680, 3070, 6140, 12280, 20569, 41138, 82276, 102845, 164552, 205690, 411380, 822760]

約数ペア:

[(1, 822760), (2, 411380), (4, 205690), (5, 164552), (8, 102845), (10, 82276), (20, 41138), (40, 20569), (67, 12280), (134, 6140), (268, 3070), (307, 2680), (335, 2456), (536, 1535), (614, 1340), (670, 1228)]