3944840

素因数分解:

$2^3\times 5^1\times {\mathrm{98621}}^1$

素因数の和:98632

約数の個数: 16

約数和(自身を含む): 8875980

約数和(自身を除く): 4931140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 98621, 197242, 394484, 493105, 788968, 986210, 1972420, 3944840]

約数ペア:

[(1, 3944840), (2, 1972420), (4, 986210), (5, 788968), (8, 493105), (10, 394484), (20, 197242), (40, 98621)]