11415920

素因数分解:

$2^4\times 5^1\times {\mathrm{142699}}^1$

素因数の和:142712

約数の個数: 20

約数和(自身を含む): 26542200

約数和(自身を除く): 15126280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 142699, 285398, 570796, 713495, 1141592, 1426990, 2283184, 2853980, 5707960, 11415920]

約数ペア:

[(1, 11415920), (2, 5707960), (4, 2853980), (5, 2283184), (8, 1426990), (10, 1141592), (16, 713495), (20, 570796), (40, 285398), (80, 142699)]