80913328

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{82903}}^1$

素因数の和:82972

約数の個数: 20

約数和(自身を含む): 159341488

約数和(自身を除く): 78428160

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 82903, 165806, 331612, 663224, 1326448, 5057083, 10114166, 20228332, 40456664, 80913328]

約数ペア:

[(1, 80913328), (2, 40456664), (4, 20228332), (8, 10114166), (16, 5057083), (61, 1326448), (122, 663224), (244, 331612), (488, 165806), (976, 82903)]