5215280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1$

素因数の和:226

約数の個数: 80

約数和(自身を含む): 14165760

約数和(自身を除く): 8950480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 67, 70, 80, 112, 134, 139, 140, 268, 278, 280, 335, 469, 536, 556, 560, 670, 695, 938, 973, 1072, 1112, 1340, 1390, 1876, 1946, 2224, 2345, 2680, 2780, 3752, 3892, 4690, 4865, 5360, 5560, 7504, 7784, 9313, 9380, 9730, 11120, 15568, 18626, 18760, 19460, 37252, 37520, 38920, 46565, 65191, 74504, 77840, 93130, 130382, 149008, 186260, 260764, 325955, 372520, 521528, 651910, 745040, 1043056, 1303820, 2607640, 5215280]

約数ペア:

[(1, 5215280), (2, 2607640), (4, 1303820), (5, 1043056), (7, 745040), (8, 651910), (10, 521528), (14, 372520), (16, 325955), (20, 260764), (28, 186260), (35, 149008), (40, 130382), (56, 93130), (67, 77840), (70, 74504), (80, 65191), (112, 46565), (134, 38920), (139, 37520), (140, 37252), (268, 19460), (278, 18760), (280, 18626), (335, 15568), (469, 11120), (536, 9730), (556, 9380), (560, 9313), (670, 7784), (695, 7504), (938, 5560), (973, 5360), (1072, 4865), (1112, 4690), (1340, 3892), (1390, 3752), (1876, 2780), (1946, 2680), (2224, 2345)]