26678741680

素因数分解:

$2^4\times 5^1\times {\mathrm{333484271}}^1$

素因数の和:333484284

約数の個数: 20

約数和(自身を含む): 62028074592

約数和(自身を除く): 35349332912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 333484271, 666968542, 1333937084, 1667421355, 2667874168, 3334842710, 5335748336, 6669685420, 13339370840, 26678741680]

約数ペア:

[(1, 26678741680), (2, 13339370840), (4, 6669685420), (5, 5335748336), (8, 3334842710), (10, 2667874168), (16, 1667421355), (20, 1333937084), (40, 666968542), (80, 333484271)]