80949520

素因数分解:

$2^4\times 5^1\times {\mathrm{607}}^1\times {\mathrm{1667}}^1$

素因数の和:2287

約数の個数: 40

約数和(自身を含む): 188630784

約数和(自身を除く): 107681264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 607, 1214, 1667, 2428, 3035, 3334, 4856, 6070, 6668, 8335, 9712, 12140, 13336, 16670, 24280, 26672, 33340, 48560, 66680, 133360, 1011869, 2023738, 4047476, 5059345, 8094952, 10118690, 16189904, 20237380, 40474760, 80949520]

約数ペア:

[(1, 80949520), (2, 40474760), (4, 20237380), (5, 16189904), (8, 10118690), (10, 8094952), (16, 5059345), (20, 4047476), (40, 2023738), (80, 1011869), (607, 133360), (1214, 66680), (1667, 48560), (2428, 33340), (3035, 26672), (3334, 24280), (4856, 16670), (6070, 13336), (6668, 12140), (8335, 9712)]