2475998440

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{314213}}^1$

素因数の和:314421

約数の個数: 32

約数和(自身を含む): 5599293480

約数和(自身を除く): 3123295040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1576, 1970, 3940, 7880, 314213, 628426, 1256852, 1571065, 2513704, 3142130, 6284260, 12568520, 61899961, 123799922, 247599844, 309499805, 495199688, 618999610, 1237999220, 2475998440]

約数ペア:

[(1, 2475998440), (2, 1237999220), (4, 618999610), (5, 495199688), (8, 309499805), (10, 247599844), (20, 123799922), (40, 61899961), (197, 12568520), (394, 6284260), (788, 3142130), (985, 2513704), (1576, 1571065), (1970, 1256852), (3940, 628426), (7880, 314213)]