217775792680

素因数分解:

$2^3\times 5^1\times {\mathrm{27847}}^1\times {\mathrm{195511}}^1$

素因数の和:223369

約数の個数: 32

約数和(自身を含む): 490015635840

約数和(自身を除く): 272239843160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 27847, 55694, 111388, 139235, 195511, 222776, 278470, 391022, 556940, 782044, 977555, 1113880, 1564088, 1955110, 3910220, 7820440, 5444394817, 10888789634, 21777579268, 27221974085, 43555158536, 54443948170, 108887896340, 217775792680]

約数ペア:

[(1, 217775792680), (2, 108887896340), (4, 54443948170), (5, 43555158536), (8, 27221974085), (10, 21777579268), (20, 10888789634), (40, 5444394817), (27847, 7820440), (55694, 3910220), (111388, 1955110), (139235, 1564088), (195511, 1113880), (222776, 977555), (278470, 782044), (391022, 556940)]