157212760

素因数分解:

$2^3\times 5^1\times {\mathrm{3930319}}^1$

素因数の和:3930330

約数の個数: 16

約数和(自身を含む): 353728800

約数和(自身を除く): 196516040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3930319, 7860638, 15721276, 19651595, 31442552, 39303190, 78606380, 157212760]

約数ペア:

[(1, 157212760), (2, 78606380), (4, 39303190), (5, 31442552), (8, 19651595), (10, 15721276), (20, 7860638), (40, 3930319)]