2585506640

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{8209}}^1$

素因数の和:8380

約数の個数: 80

約数和(自身を含む): 6254837760

約数和(自身を除く): 3669331120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 127, 155, 248, 254, 310, 496, 508, 620, 635, 1016, 1240, 1270, 2032, 2480, 2540, 3937, 5080, 7874, 8209, 10160, 15748, 16418, 19685, 31496, 32836, 39370, 41045, 62992, 65672, 78740, 82090, 131344, 157480, 164180, 254479, 314960, 328360, 508958, 656720, 1017916, 1042543, 1272395, 2035832, 2085086, 2544790, 4071664, 4170172, 5089580, 5212715, 8340344, 10179160, 10425430, 16680688, 20358320, 20850860, 32318833, 41701720, 64637666, 83403440, 129275332, 161594165, 258550664, 323188330, 517101328, 646376660, 1292753320, 2585506640]

約数ペア:

[(1, 2585506640), (2, 1292753320), (4, 646376660), (5, 517101328), (8, 323188330), (10, 258550664), (16, 161594165), (20, 129275332), (31, 83403440), (40, 64637666), (62, 41701720), (80, 32318833), (124, 20850860), (127, 20358320), (155, 16680688), (248, 10425430), (254, 10179160), (310, 8340344), (496, 5212715), (508, 5089580), (620, 4170172), (635, 4071664), (1016, 2544790), (1240, 2085086), (1270, 2035832), (2032, 1272395), (2480, 1042543), (2540, 1017916), (3937, 656720), (5080, 508958), (7874, 328360), (8209, 314960), (10160, 254479), (15748, 164180), (16418, 157480), (19685, 131344), (31496, 82090), (32836, 78740), (39370, 65672), (41045, 62992)]