1330371920

素因数分解:

$2^4\times 5^1\times {\mathrm{16629649}}^1$

素因数の和:16629662

約数の個数: 20

約数和(自身を含む): 3093114900

約数和(自身を除く): 1762742980

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 16629649, 33259298, 66518596, 83148245, 133037192, 166296490, 266074384, 332592980, 665185960, 1330371920]

約数ペア:

[(1, 1330371920), (2, 665185960), (4, 332592980), (5, 266074384), (8, 166296490), (10, 133037192), (16, 83148245), (20, 66518596), (40, 33259298), (80, 16629649)]