138476720

素因数分解:

$2^4\times 5^1\times {\mathrm{1730959}}^1$

素因数の和:1730972

約数の個数: 20

約数和(自身を含む): 321958560

約数和(自身を除く): 183481840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1730959, 3461918, 6923836, 8654795, 13847672, 17309590, 27695344, 34619180, 69238360, 138476720]

約数ペア:

[(1, 138476720), (2, 69238360), (4, 34619180), (5, 27695344), (8, 17309590), (10, 13847672), (16, 8654795), (20, 6923836), (40, 3461918), (80, 1730959)]