169768160

素因数分解:

$2^5\times 5^1\times {\mathrm{491}}^1\times {\mathrm{2161}}^1$

素因数の和:2667

約数の個数: 48

約数和(自身を含む): 402080112

約数和(自身を除く): 232311952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 491, 982, 1964, 2161, 2455, 3928, 4322, 4910, 7856, 8644, 9820, 10805, 15712, 17288, 19640, 21610, 34576, 39280, 43220, 69152, 78560, 86440, 172880, 345760, 1061051, 2122102, 4244204, 5305255, 8488408, 10610510, 16976816, 21221020, 33953632, 42442040, 84884080, 169768160]

約数ペア:

[(1, 169768160), (2, 84884080), (4, 42442040), (5, 33953632), (8, 21221020), (10, 16976816), (16, 10610510), (20, 8488408), (32, 5305255), (40, 4244204), (80, 2122102), (160, 1061051), (491, 345760), (982, 172880), (1964, 86440), (2161, 78560), (2455, 69152), (3928, 43220), (4322, 39280), (4910, 34576), (7856, 21610), (8644, 19640), (9820, 17288), (10805, 15712)]