164563040

素因数分解:

$2^5\times 5^1\times {\mathrm{911}}^1\times {\mathrm{1129}}^1$

素因数の和:2055

約数の個数: 48

約数和(自身を含む): 389551680

約数和(自身を除く): 224988640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 911, 1129, 1822, 2258, 3644, 4516, 4555, 5645, 7288, 9032, 9110, 11290, 14576, 18064, 18220, 22580, 29152, 36128, 36440, 45160, 72880, 90320, 145760, 180640, 1028519, 2057038, 4114076, 5142595, 8228152, 10285190, 16456304, 20570380, 32912608, 41140760, 82281520, 164563040]

約数ペア:

[(1, 164563040), (2, 82281520), (4, 41140760), (5, 32912608), (8, 20570380), (10, 16456304), (16, 10285190), (20, 8228152), (32, 5142595), (40, 4114076), (80, 2057038), (160, 1028519), (911, 180640), (1129, 145760), (1822, 90320), (2258, 72880), (3644, 45160), (4516, 36440), (4555, 36128), (5645, 29152), (7288, 22580), (9032, 18220), (9110, 18064), (11290, 14576)]