85871560

素因数分解:

$2^3\times 5^1\times {\mathrm{2146789}}^1$

素因数の和:2146800

約数の個数: 16

約数和(自身を含む): 193211100

約数和(自身を除く): 107339540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2146789, 4293578, 8587156, 10733945, 17174312, 21467890, 42935780, 85871560]

約数ペア:

[(1, 85871560), (2, 42935780), (4, 21467890), (5, 17174312), (8, 10733945), (10, 8587156), (20, 4293578), (40, 2146789)]