8001920

素因数分解:

$2^7\times 5^1\times {\mathrm{12503}}^1$

素因数の和:12522

約数の個数: 32

約数和(自身を含む): 19131120

約数和(自身を除く): 11129200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 12503, 25006, 50012, 62515, 100024, 125030, 200048, 250060, 400096, 500120, 800192, 1000240, 1600384, 2000480, 4000960, 8001920]

約数ペア:

[(1, 8001920), (2, 4000960), (4, 2000480), (5, 1600384), (8, 1000240), (10, 800192), (16, 500120), (20, 400096), (32, 250060), (40, 200048), (64, 125030), (80, 100024), (128, 62515), (160, 50012), (320, 25006), (640, 12503)]