66572560

素因数分解:

$2^4\times 5^1\times {\mathrm{832157}}^1$

素因数の和:832170

約数の個数: 20

約数和(自身を含む): 154781388

約数和(自身を除く): 88208828

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 832157, 1664314, 3328628, 4160785, 6657256, 8321570, 13314512, 16643140, 33286280, 66572560]

約数ペア:

[(1, 66572560), (2, 33286280), (4, 16643140), (5, 13314512), (8, 8321570), (10, 6657256), (16, 4160785), (20, 3328628), (40, 1664314), (80, 832157)]