80007796

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{20431}}^1$

素因数の和:20535

約数の個数: 24

約数和(自身を含む): 154465920

約数和(自身を除く): 74458124

約数列:

[1, 2, 4, 11, 22, 44, 89, 178, 356, 979, 1958, 3916, 20431, 40862, 81724, 224741, 449482, 898964, 1818359, 3636718, 7273436, 20001949, 40003898, 80007796]

約数ペア:

[(1, 80007796), (2, 40003898), (4, 20001949), (11, 7273436), (22, 3636718), (44, 1818359), (89, 898964), (178, 449482), (356, 224741), (979, 81724), (1958, 40862), (3916, 20431)]