12713928440

素因数分解:

$2^3\times 5^1\times {\mathrm{317848211}}^1$

素因数の和:317848222

約数の個数: 16

約数和(自身を含む): 28606339080

約数和(自身を除く): 15892410640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 317848211, 635696422, 1271392844, 1589241055, 2542785688, 3178482110, 6356964220, 12713928440]

約数ペア:

[(1, 12713928440), (2, 6356964220), (4, 3178482110), (5, 2542785688), (8, 1589241055), (10, 1271392844), (20, 635696422), (40, 317848211)]