6638480

素因数分解:

$2^4\times 5^1\times {\mathrm{82981}}^1$

素因数の和:82994

約数の個数: 20

約数和(自身を含む): 15434652

約数和(自身を除く): 8796172

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 82981, 165962, 331924, 414905, 663848, 829810, 1327696, 1659620, 3319240, 6638480]

約数ペア:

[(1, 6638480), (2, 3319240), (4, 1659620), (5, 1327696), (8, 829810), (10, 663848), (16, 414905), (20, 331924), (40, 165962), (80, 82981)]