8745220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{313}}^1$

素因数の和:460

約数の個数: 48

約数和(自身を含む): 20256768

約数和(自身を除く): 11511548

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 127, 220, 254, 313, 508, 626, 635, 1252, 1270, 1397, 1565, 2540, 2794, 3130, 3443, 5588, 6260, 6886, 6985, 13772, 13970, 17215, 27940, 34430, 39751, 68860, 79502, 159004, 198755, 397510, 437261, 795020, 874522, 1749044, 2186305, 4372610, 8745220]

約数ペア:

[(1, 8745220), (2, 4372610), (4, 2186305), (5, 1749044), (10, 874522), (11, 795020), (20, 437261), (22, 397510), (44, 198755), (55, 159004), (110, 79502), (127, 68860), (220, 39751), (254, 34430), (313, 27940), (508, 17215), (626, 13970), (635, 13772), (1252, 6985), (1270, 6886), (1397, 6260), (1565, 5588), (2540, 3443), (2794, 3130)]