80774128

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{151}}^1\times {\mathrm{499}}^1$

素因数の和:725

約数の個数: 40

約数和(自身を含む): 160208000

約数和(自身を除く): 79433872

約数列:

[1, 2, 4, 8, 16, 67, 134, 151, 268, 302, 499, 536, 604, 998, 1072, 1208, 1996, 2416, 3992, 7984, 10117, 20234, 33433, 40468, 66866, 75349, 80936, 133732, 150698, 161872, 267464, 301396, 534928, 602792, 1205584, 5048383, 10096766, 20193532, 40387064, 80774128]

約数ペア:

[(1, 80774128), (2, 40387064), (4, 20193532), (8, 10096766), (16, 5048383), (67, 1205584), (134, 602792), (151, 534928), (268, 301396), (302, 267464), (499, 161872), (536, 150698), (604, 133732), (998, 80936), (1072, 75349), (1208, 66866), (1996, 40468), (2416, 33433), (3992, 20234), (7984, 10117)]