1251920

素因数分解:

$2^4\times 5^1\times {\mathrm{15649}}^1$

素因数の和:15662

約数の個数: 20

約数和(自身を含む): 2910900

約数和(自身を除く): 1658980

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 15649, 31298, 62596, 78245, 125192, 156490, 250384, 312980, 625960, 1251920]

約数ペア:

[(1, 1251920), (2, 625960), (4, 312980), (5, 250384), (8, 156490), (10, 125192), (16, 78245), (20, 62596), (40, 31298), (80, 15649)]