980508740

素因数分解:

$2^2\times 5^1\times {\mathrm{4643}}^1\times {\mathrm{10559}}^1$

素因数の和:15211

約数の個数: 24

約数和(自身を含む): 2059706880

約数和(自身を除く): 1079198140

約数列:

[1, 2, 4, 5, 10, 20, 4643, 9286, 10559, 18572, 21118, 23215, 42236, 46430, 52795, 92860, 105590, 211180, 49025437, 98050874, 196101748, 245127185, 490254370, 980508740]

約数ペア:

[(1, 980508740), (2, 490254370), (4, 245127185), (5, 196101748), (10, 98050874), (20, 49025437), (4643, 211180), (9286, 105590), (10559, 92860), (18572, 52795), (21118, 46430), (23215, 42236)]