51027280

素因数分解:

$2^4\times 5^1\times {\mathrm{637841}}^1$

素因数の和:637854

約数の個数: 20

約数和(自身を含む): 118638612

約数和(自身を除く): 67611332

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 637841, 1275682, 2551364, 3189205, 5102728, 6378410, 10205456, 12756820, 25513640, 51027280]

約数ペア:

[(1, 51027280), (2, 25513640), (4, 12756820), (5, 10205456), (8, 6378410), (10, 5102728), (16, 3189205), (20, 2551364), (40, 1275682), (80, 637841)]