3989680

素因数分解:

$2^4\times 5^1\times {\mathrm{49871}}^1$

素因数の和:49884

約数の個数: 20

約数和(自身を含む): 9276192

約数和(自身を除く): 5286512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 49871, 99742, 199484, 249355, 398968, 498710, 797936, 997420, 1994840, 3989680]

約数ペア:

[(1, 3989680), (2, 1994840), (4, 997420), (5, 797936), (8, 498710), (10, 398968), (16, 249355), (20, 199484), (40, 99742), (80, 49871)]