158173880

素因数分解:

$2^3\times 5^1\times {\mathrm{1061}}^1\times {\mathrm{3727}}^1$

素因数の和:4799

約数の個数: 32

約数和(自身を含む): 356322240

約数和(自身を除く): 198148360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1061, 2122, 3727, 4244, 5305, 7454, 8488, 10610, 14908, 18635, 21220, 29816, 37270, 42440, 74540, 149080, 3954347, 7908694, 15817388, 19771735, 31634776, 39543470, 79086940, 158173880]

約数ペア:

[(1, 158173880), (2, 79086940), (4, 39543470), (5, 31634776), (8, 19771735), (10, 15817388), (20, 7908694), (40, 3954347), (1061, 149080), (2122, 74540), (3727, 42440), (4244, 37270), (5305, 29816), (7454, 21220), (8488, 18635), (10610, 14908)]