3988360

素因数分解:

$2^3\times 5^1\times {\mathrm{99709}}^1$

素因数の和:99720

約数の個数: 16

約数和(自身を含む): 8973900

約数和(自身を除く): 4985540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 99709, 199418, 398836, 498545, 797672, 997090, 1994180, 3988360]

約数ペア:

[(1, 3988360), (2, 1994180), (4, 997090), (5, 797672), (8, 498545), (10, 398836), (20, 199418), (40, 99709)]