9727720

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1549}}^1$

素因数の和:1717

約数の個数: 32

約数和(自身を含む): 22041000

約数和(自身を除く): 12313280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1549, 1570, 3098, 3140, 6196, 6280, 7745, 12392, 15490, 30980, 61960, 243193, 486386, 972772, 1215965, 1945544, 2431930, 4863860, 9727720]

約数ペア:

[(1, 9727720), (2, 4863860), (4, 2431930), (5, 1945544), (8, 1215965), (10, 972772), (20, 486386), (40, 243193), (157, 61960), (314, 30980), (628, 15490), (785, 12392), (1256, 7745), (1549, 6280), (1570, 6196), (3098, 3140)]