80741920

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{72091}}^1$

素因数の和:72113

約数の個数: 48

約数和(自身を含む): 218006208

約数和(自身を除く): 137264288

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 72091, 144182, 288364, 360455, 504637, 576728, 720910, 1009274, 1153456, 1441820, 2018548, 2306912, 2523185, 2883640, 4037096, 5046370, 5767280, 8074192, 10092740, 11534560, 16148384, 20185480, 40370960, 80741920]

約数ペア:

[(1, 80741920), (2, 40370960), (4, 20185480), (5, 16148384), (7, 11534560), (8, 10092740), (10, 8074192), (14, 5767280), (16, 5046370), (20, 4037096), (28, 2883640), (32, 2523185), (35, 2306912), (40, 2018548), (56, 1441820), (70, 1153456), (80, 1009274), (112, 720910), (140, 576728), (160, 504637), (224, 360455), (280, 288364), (560, 144182), (1120, 72091)]