82000280

素因数分解:

$2^3\times 5^1\times {\mathrm{2050007}}^1$

素因数の和:2050018

約数の個数: 16

約数和(自身を含む): 184500720

約数和(自身を除く): 102500440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2050007, 4100014, 8200028, 10250035, 16400056, 20500070, 41000140, 82000280]

約数ペア:

[(1, 82000280), (2, 41000140), (4, 20500070), (5, 16400056), (8, 10250035), (10, 8200028), (20, 4100014), (40, 2050007)]