157210840

素因数分解:

$2^3\times 5^1\times {\mathrm{3930271}}^1$

素因数の和:3930282

約数の個数: 16

約数和(自身を含む): 353724480

約数和(自身を除く): 196513640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3930271, 7860542, 15721084, 19651355, 31442168, 39302710, 78605420, 157210840]

約数ペア:

[(1, 157210840), (2, 78605420), (4, 39302710), (5, 31442168), (8, 19651355), (10, 15721084), (20, 7860542), (40, 3930271)]