66739390

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{162779}}^1$

素因数の和:162827

約数の個数: 16

約数和(自身を含む): 123061680

約数和(自身を除く): 56322290

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 162779, 325558, 813895, 1627790, 6673939, 13347878, 33369695, 66739390]

約数ペア:

[(1, 66739390), (2, 33369695), (5, 13347878), (10, 6673939), (41, 1627790), (82, 813895), (205, 325558), (410, 162779)]