169275280

素因数分解:

$2^4\times 5^1\times {\mathrm{641}}^1\times {\mathrm{3301}}^1$

素因数の和:3955

約数の個数: 40

約数和(自身を含む): 394298424

約数和(自身を除く): 225023144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 641, 1282, 2564, 3205, 3301, 5128, 6410, 6602, 10256, 12820, 13204, 16505, 25640, 26408, 33010, 51280, 52816, 66020, 132040, 264080, 2115941, 4231882, 8463764, 10579705, 16927528, 21159410, 33855056, 42318820, 84637640, 169275280]

約数ペア:

[(1, 169275280), (2, 84637640), (4, 42318820), (5, 33855056), (8, 21159410), (10, 16927528), (16, 10579705), (20, 8463764), (40, 4231882), (80, 2115941), (641, 264080), (1282, 132040), (2564, 66020), (3205, 52816), (3301, 51280), (5128, 33010), (6410, 26408), (6602, 25640), (10256, 16505), (12820, 13204)]