80915720

素因数分解:

$2^3\times 5^1\times {\mathrm{2022893}}^1$

素因数の和:2022904

約数の個数: 16

約数和(自身を含む): 182060460

約数和(自身を除く): 101144740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2022893, 4045786, 8091572, 10114465, 16183144, 20228930, 40457860, 80915720]

約数ペア:

[(1, 80915720), (2, 40457860), (4, 20228930), (5, 16183144), (8, 10114465), (10, 8091572), (20, 4045786), (40, 2022893)]