128046980

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{278363}}^1$

素因数の和:278395

約数の個数: 24

約数和(自身を含む): 280590912

約数和(自身を除く): 152543932

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 278363, 556726, 1113452, 1391815, 2783630, 5567260, 6402349, 12804698, 25609396, 32011745, 64023490, 128046980]

約数ペア:

[(1, 128046980), (2, 64023490), (4, 32011745), (5, 25609396), (10, 12804698), (20, 6402349), (23, 5567260), (46, 2783630), (92, 1391815), (115, 1113452), (230, 556726), (460, 278363)]