2051209251880

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{2213}}^1\times {\mathrm{493027}}^1$

素因数の和:495298

約数の個数: 64

約数和(自身を含む): 4715556445440

約数和(自身を除く): 2664347193560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 2213, 4426, 8852, 11065, 17704, 22130, 44260, 88520, 104011, 208022, 416044, 493027, 520055, 832088, 986054, 1040110, 1972108, 2080220, 2465135, 3944216, 4160440, 4930270, 9860540, 19721080, 23172269, 46344538, 92689076, 115861345, 185378152, 231722690, 463445380, 926890760, 1091068751, 2182137502, 4364275004, 5455343755, 8728550008, 10910687510, 21821375020, 43642750040, 51280231297, 102560462594, 205120925188, 256401156485, 410241850376, 512802312970, 1025604625940, 2051209251880]

約数ペア:

[(1, 2051209251880), (2, 1025604625940), (4, 512802312970), (5, 410241850376), (8, 256401156485), (10, 205120925188), (20, 102560462594), (40, 51280231297), (47, 43642750040), (94, 21821375020), (188, 10910687510), (235, 8728550008), (376, 5455343755), (470, 4364275004), (940, 2182137502), (1880, 1091068751), (2213, 926890760), (4426, 463445380), (8852, 231722690), (11065, 185378152), (17704, 115861345), (22130, 92689076), (44260, 46344538), (88520, 23172269), (104011, 19721080), (208022, 9860540), (416044, 4930270), (493027, 4160440), (520055, 3944216), (832088, 2465135), (986054, 2080220), (1040110, 1972108)]