207937280

素因数分解:

$2^8\times 5^1\times {\mathrm{162451}}^1$

素因数の和:162472

約数の個数: 36

約数和(自身を含む): 498077832

約数和(自身を除く): 290140552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 162451, 324902, 649804, 812255, 1299608, 1624510, 2599216, 3249020, 5198432, 6498040, 10396864, 12996080, 20793728, 25992160, 41587456, 51984320, 103968640, 207937280]

約数ペア:

[(1, 207937280), (2, 103968640), (4, 51984320), (5, 41587456), (8, 25992160), (10, 20793728), (16, 12996080), (20, 10396864), (32, 6498040), (40, 5198432), (64, 3249020), (80, 2599216), (128, 1624510), (160, 1299608), (256, 812255), (320, 649804), (640, 324902), (1280, 162451)]