80401648

素因数分解:

$2^4\times {\mathrm{181}}^1\times {\mathrm{27763}}^1$

素因数の和:27952

約数の個数: 20

約数和(自身を含む): 156644488

約数和(自身を除く): 76242840

約数列:

[1, 2, 4, 8, 16, 181, 362, 724, 1448, 2896, 27763, 55526, 111052, 222104, 444208, 5025103, 10050206, 20100412, 40200824, 80401648]

約数ペア:

[(1, 80401648), (2, 40200824), (4, 20100412), (8, 10050206), (16, 5025103), (181, 444208), (362, 222104), (724, 111052), (1448, 55526), (2896, 27763)]