20162310520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{291869}}^1$

素因数の和:292048

約数の個数: 64

約数和(自身を含む): 49804696800

約数和(自身を除く): 29642386280

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 157, 220, 314, 440, 628, 785, 1256, 1570, 1727, 3140, 3454, 6280, 6908, 8635, 13816, 17270, 34540, 69080, 291869, 583738, 1167476, 1459345, 2334952, 2918690, 3210559, 5837380, 6421118, 11674760, 12842236, 16052795, 25684472, 32105590, 45823433, 64211180, 91646866, 128422360, 183293732, 229117165, 366587464, 458234330, 504057763, 916468660, 1008115526, 1832937320, 2016231052, 2520288815, 4032462104, 5040577630, 10081155260, 20162310520]

約数ペア:

[(1, 20162310520), (2, 10081155260), (4, 5040577630), (5, 4032462104), (8, 2520288815), (10, 2016231052), (11, 1832937320), (20, 1008115526), (22, 916468660), (40, 504057763), (44, 458234330), (55, 366587464), (88, 229117165), (110, 183293732), (157, 128422360), (220, 91646866), (314, 64211180), (440, 45823433), (628, 32105590), (785, 25684472), (1256, 16052795), (1570, 12842236), (1727, 11674760), (3140, 6421118), (3454, 5837380), (6280, 3210559), (6908, 2918690), (8635, 2334952), (13816, 1459345), (17270, 1167476), (34540, 583738), (69080, 291869)]