15558819980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{70721909}}^1$

素因数の和:70721929

約数の個数: 24

約数和(自身を含む): 35643842640

約数和(自身を除く): 20085022660

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 70721909, 141443818, 282887636, 353609545, 707219090, 777940999, 1414438180, 1555881998, 3111763996, 3889704995, 7779409990, 15558819980]

約数ペア:

[(1, 15558819980), (2, 7779409990), (4, 3889704995), (5, 3111763996), (10, 1555881998), (11, 1414438180), (20, 777940999), (22, 707219090), (44, 353609545), (55, 282887636), (110, 141443818), (220, 70721909)]