29781680

素因数分解:

$2^4\times 5^1\times {\mathrm{372271}}^1$

素因数の和:372284

約数の個数: 20

約数和(自身を含む): 69242592

約数和(自身を除く): 39460912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 372271, 744542, 1489084, 1861355, 2978168, 3722710, 5956336, 7445420, 14890840, 29781680]

約数ペア:

[(1, 29781680), (2, 14890840), (4, 7445420), (5, 5956336), (8, 3722710), (10, 2978168), (16, 1861355), (20, 1489084), (40, 744542), (80, 372271)]