80522800

素因数分解:

$2^4\times 5^2\times {\mathrm{201307}}^1$

素因数の和:201325

約数の個数: 30

約数和(自身を含む): 193456988

約数和(自身を除く): 112934188

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 201307, 402614, 805228, 1006535, 1610456, 2013070, 3220912, 4026140, 5032675, 8052280, 10065350, 16104560, 20130700, 40261400, 80522800]

約数ペア:

[(1, 80522800), (2, 40261400), (4, 20130700), (5, 16104560), (8, 10065350), (10, 8052280), (16, 5032675), (20, 4026140), (25, 3220912), (40, 2013070), (50, 1610456), (80, 1006535), (100, 805228), (200, 402614), (400, 201307)]