28334320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2663}}^1$

素因数の和:2702

約数の個数: 80

約数和(自身を含む): 79280640

約数和(自身を除く): 50946320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 190, 266, 280, 304, 380, 532, 560, 665, 760, 1064, 1330, 1520, 2128, 2660, 2663, 5320, 5326, 10640, 10652, 13315, 18641, 21304, 26630, 37282, 42608, 50597, 53260, 74564, 93205, 101194, 106520, 149128, 186410, 202388, 213040, 252985, 298256, 354179, 372820, 404776, 505970, 708358, 745640, 809552, 1011940, 1416716, 1491280, 1770895, 2023880, 2833432, 3541790, 4047760, 5666864, 7083580, 14167160, 28334320]

約数ペア:

[(1, 28334320), (2, 14167160), (4, 7083580), (5, 5666864), (7, 4047760), (8, 3541790), (10, 2833432), (14, 2023880), (16, 1770895), (19, 1491280), (20, 1416716), (28, 1011940), (35, 809552), (38, 745640), (40, 708358), (56, 505970), (70, 404776), (76, 372820), (80, 354179), (95, 298256), (112, 252985), (133, 213040), (140, 202388), (152, 186410), (190, 149128), (266, 106520), (280, 101194), (304, 93205), (380, 74564), (532, 53260), (560, 50597), (665, 42608), (760, 37282), (1064, 26630), (1330, 21304), (1520, 18641), (2128, 13315), (2660, 10652), (2663, 10640), (5320, 5326)]