28509280

素因数分解:

$2^5\times 5^1\times {\mathrm{178183}}^1$

素因数の和:178198

約数の個数: 24

約数和(自身を含む): 67353552

約数和(自身を除く): 38844272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 178183, 356366, 712732, 890915, 1425464, 1781830, 2850928, 3563660, 5701856, 7127320, 14254640, 28509280]

約数ペア:

[(1, 28509280), (2, 14254640), (4, 7127320), (5, 5701856), (8, 3563660), (10, 2850928), (16, 1781830), (20, 1425464), (32, 890915), (40, 712732), (80, 356366), (160, 178183)]