87803660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{627169}}^1$

素因数の和:627185

約数の個数: 24

約数和(自身を含む): 210729120

約数和(自身を除く): 122925460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 627169, 1254338, 2508676, 3135845, 4390183, 6271690, 8780366, 12543380, 17560732, 21950915, 43901830, 87803660]

約数ペア:

[(1, 87803660), (2, 43901830), (4, 21950915), (5, 17560732), (7, 12543380), (10, 8780366), (14, 6271690), (20, 4390183), (28, 3135845), (35, 2508676), (70, 1254338), (140, 627169)]