28392800

素因数分解:

$2^5\times 5^2\times {\mathrm{35491}}^1$

素因数の和:35511

約数の個数: 36

約数和(自身を含む): 69315876

約数和(自身を除く): 40923076

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 35491, 70982, 141964, 177455, 283928, 354910, 567856, 709820, 887275, 1135712, 1419640, 1774550, 2839280, 3549100, 5678560, 7098200, 14196400, 28392800]

約数ペア:

[(1, 28392800), (2, 14196400), (4, 7098200), (5, 5678560), (8, 3549100), (10, 2839280), (16, 1774550), (20, 1419640), (25, 1135712), (32, 887275), (40, 709820), (50, 567856), (80, 354910), (100, 283928), (160, 177455), (200, 141964), (400, 70982), (800, 35491)]