66729280

素因数分解:

$2^6\times 5^1\times {\mathrm{208529}}^1$

素因数の和:208546

約数の個数: 28

約数和(自身を含む): 158899860

約数和(自身を除く): 92170580

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 208529, 417058, 834116, 1042645, 1668232, 2085290, 3336464, 4170580, 6672928, 8341160, 13345856, 16682320, 33364640, 66729280]

約数ペア:

[(1, 66729280), (2, 33364640), (4, 16682320), (5, 13345856), (8, 8341160), (10, 6672928), (16, 4170580), (20, 3336464), (32, 2085290), (40, 1668232), (64, 1042645), (80, 834116), (160, 417058), (320, 208529)]