80490128

素因数分解:

$2^4\times {\mathrm{811}}^1\times {\mathrm{6203}}^1$

素因数の和:7022

約数の個数: 20

約数和(自身を含む): 156167088

約数和(自身を除く): 75676960

約数列:

[1, 2, 4, 8, 16, 811, 1622, 3244, 6203, 6488, 12406, 12976, 24812, 49624, 99248, 5030633, 10061266, 20122532, 40245064, 80490128]

約数ペア:

[(1, 80490128), (2, 40245064), (4, 20122532), (8, 10061266), (16, 5030633), (811, 99248), (1622, 49624), (3244, 24812), (6203, 12976), (6488, 12406)]