820960

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{733}}^1$

素因数の和:755

約数の個数: 48

約数和(自身を含む): 2219616

約数和(自身を除く): 1398656

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, 733, 1120, 1466, 2932, 3665, 5131, 5864, 7330, 10262, 11728, 14660, 20524, 23456, 25655, 29320, 41048, 51310, 58640, 82096, 102620, 117280, 164192, 205240, 410480, 820960]

約数ペア:

[(1, 820960), (2, 410480), (4, 205240), (5, 164192), (7, 117280), (8, 102620), (10, 82096), (14, 58640), (16, 51310), (20, 41048), (28, 29320), (32, 25655), (35, 23456), (40, 20524), (56, 14660), (70, 11728), (80, 10262), (112, 7330), (140, 5864), (160, 5131), (224, 3665), (280, 2932), (560, 1466), (733, 1120)]