80639276

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{631}}^1\times {\mathrm{743}}^1$

素因数の和:1421

約数の個数: 24

約数和(自身を含む): 144824064

約数和(自身を除く): 64184788

約数列:

[1, 2, 4, 43, 86, 172, 631, 743, 1262, 1486, 2524, 2972, 27133, 31949, 54266, 63898, 108532, 127796, 468833, 937666, 1875332, 20159819, 40319638, 80639276]

約数ペア:

[(1, 80639276), (2, 40319638), (4, 20159819), (43, 1875332), (86, 937666), (172, 468833), (631, 127796), (743, 108532), (1262, 63898), (1486, 54266), (2524, 31949), (2972, 27133)]