86876560

素因数分解:

$2^4\times 5^1\times {\mathrm{1085957}}^1$

素因数の和:1085970

約数の個数: 20

約数和(自身を含む): 201988188

約数和(自身を除く): 115111628

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1085957, 2171914, 4343828, 5429785, 8687656, 10859570, 17375312, 21719140, 43438280, 86876560]

約数ペア:

[(1, 86876560), (2, 43438280), (4, 21719140), (5, 17375312), (8, 10859570), (10, 8687656), (16, 5429785), (20, 4343828), (40, 2171914), (80, 1085957)]