80743988

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{11171}}^1$

素因数の和:11327

約数の個数: 24

約数和(自身を含む): 153279840

約数和(自身を除く): 72535852

約数列:

[1, 2, 4, 13, 26, 52, 139, 278, 556, 1807, 3614, 7228, 11171, 22342, 44684, 145223, 290446, 580892, 1552769, 3105538, 6211076, 20185997, 40371994, 80743988]

約数ペア:

[(1, 80743988), (2, 40371994), (4, 20185997), (13, 6211076), (26, 3105538), (52, 1552769), (139, 580892), (278, 290446), (556, 145223), (1807, 44684), (3614, 22342), (7228, 11171)]