71330800

素因数分解:

$2^4\times 5^2\times {\mathrm{178327}}^1$

素因数の和:178345

約数の個数: 30

約数和(自身を含む): 171373208

約数和(自身を除く): 100042408

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 178327, 356654, 713308, 891635, 1426616, 1783270, 2853232, 3566540, 4458175, 7133080, 8916350, 14266160, 17832700, 35665400, 71330800]

約数ペア:

[(1, 71330800), (2, 35665400), (4, 17832700), (5, 14266160), (8, 8916350), (10, 7133080), (16, 4458175), (20, 3566540), (25, 2853232), (40, 1783270), (50, 1426616), (80, 891635), (100, 713308), (200, 356654), (400, 178327)]