56356720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{641}}^1$

素因数の和:818

約数の個数: 80

約数和(自身を含む): 150936768

約数和(自身を除く): 94580048

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 157, 280, 314, 560, 628, 641, 785, 1099, 1256, 1282, 1570, 2198, 2512, 2564, 3140, 3205, 4396, 4487, 5128, 5495, 6280, 6410, 8792, 8974, 10256, 10990, 12560, 12820, 17584, 17948, 21980, 22435, 25640, 35896, 43960, 44870, 51280, 71792, 87920, 89740, 100637, 179480, 201274, 358960, 402548, 503185, 704459, 805096, 1006370, 1408918, 1610192, 2012740, 2817836, 3522295, 4025480, 5635672, 7044590, 8050960, 11271344, 14089180, 28178360, 56356720]

約数ペア:

[(1, 56356720), (2, 28178360), (4, 14089180), (5, 11271344), (7, 8050960), (8, 7044590), (10, 5635672), (14, 4025480), (16, 3522295), (20, 2817836), (28, 2012740), (35, 1610192), (40, 1408918), (56, 1006370), (70, 805096), (80, 704459), (112, 503185), (140, 402548), (157, 358960), (280, 201274), (314, 179480), (560, 100637), (628, 89740), (641, 87920), (785, 71792), (1099, 51280), (1256, 44870), (1282, 43960), (1570, 35896), (2198, 25640), (2512, 22435), (2564, 21980), (3140, 17948), (3205, 17584), (4396, 12820), (4487, 12560), (5128, 10990), (5495, 10256), (6280, 8974), (6410, 8792)]