12976280

素因数分解:

$2^3\times 5^1\times {\mathrm{353}}^1\times {\mathrm{919}}^1$

素因数の和:1283

約数の個数: 32

約数和(自身を含む): 29311200

約数和(自身を除く): 16334920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 353, 706, 919, 1412, 1765, 1838, 2824, 3530, 3676, 4595, 7060, 7352, 9190, 14120, 18380, 36760, 324407, 648814, 1297628, 1622035, 2595256, 3244070, 6488140, 12976280]

約数ペア:

[(1, 12976280), (2, 6488140), (4, 3244070), (5, 2595256), (8, 1622035), (10, 1297628), (20, 648814), (40, 324407), (353, 36760), (706, 18380), (919, 14120), (1412, 9190), (1765, 7352), (1838, 7060), (2824, 4595), (3530, 3676)]