80489104

素因数分解:

$2^4\times {\mathrm{269}}^1\times {\mathrm{18701}}^1$

素因数の和:18978

約数の個数: 20

約数和(自身を含む): 156535740

約数和(自身を除く): 76046636

約数列:

[1, 2, 4, 8, 16, 269, 538, 1076, 2152, 4304, 18701, 37402, 74804, 149608, 299216, 5030569, 10061138, 20122276, 40244552, 80489104]

約数ペア:

[(1, 80489104), (2, 40244552), (4, 20122276), (8, 10061138), (16, 5030569), (269, 299216), (538, 149608), (1076, 74804), (2152, 37402), (4304, 18701)]