16404080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2663}}^1$

素因数の和:2694

約数の個数: 80

約数和(自身を含む): 47568384

約数和(自身を除く): 31164304

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 176, 220, 280, 308, 385, 440, 560, 616, 770, 880, 1232, 1540, 2663, 3080, 5326, 6160, 10652, 13315, 18641, 21304, 26630, 29293, 37282, 42608, 53260, 58586, 74564, 93205, 106520, 117172, 146465, 149128, 186410, 205051, 213040, 234344, 292930, 298256, 372820, 410102, 468688, 585860, 745640, 820204, 1025255, 1171720, 1491280, 1640408, 2050510, 2343440, 3280816, 4101020, 8202040, 16404080]

約数ペア:

[(1, 16404080), (2, 8202040), (4, 4101020), (5, 3280816), (7, 2343440), (8, 2050510), (10, 1640408), (11, 1491280), (14, 1171720), (16, 1025255), (20, 820204), (22, 745640), (28, 585860), (35, 468688), (40, 410102), (44, 372820), (55, 298256), (56, 292930), (70, 234344), (77, 213040), (80, 205051), (88, 186410), (110, 149128), (112, 146465), (140, 117172), (154, 106520), (176, 93205), (220, 74564), (280, 58586), (308, 53260), (385, 42608), (440, 37282), (560, 29293), (616, 26630), (770, 21304), (880, 18641), (1232, 13315), (1540, 10652), (2663, 6160), (3080, 5326)]