1994840

素因数分解:

$2^3\times 5^1\times {\mathrm{49871}}^1$

素因数の和:49882

約数の個数: 16

約数和(自身を含む): 4488480

約数和(自身を除く): 2493640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 49871, 99742, 199484, 249355, 398968, 498710, 997420, 1994840]

約数ペア:

[(1, 1994840), (2, 997420), (4, 498710), (5, 398968), (8, 249355), (10, 199484), (20, 99742), (40, 49871)]