28258760

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1433}}^1$

素因数の和:1490

約数の個数: 64

約数和(自身を含む): 69692400

約数和(自身を除く): 41433640

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 29, 34, 40, 58, 68, 85, 116, 136, 145, 170, 232, 290, 340, 493, 580, 680, 986, 1160, 1433, 1972, 2465, 2866, 3944, 4930, 5732, 7165, 9860, 11464, 14330, 19720, 24361, 28660, 41557, 48722, 57320, 83114, 97444, 121805, 166228, 194888, 207785, 243610, 332456, 415570, 487220, 706469, 831140, 974440, 1412938, 1662280, 2825876, 3532345, 5651752, 7064690, 14129380, 28258760]

約数ペア:

[(1, 28258760), (2, 14129380), (4, 7064690), (5, 5651752), (8, 3532345), (10, 2825876), (17, 1662280), (20, 1412938), (29, 974440), (34, 831140), (40, 706469), (58, 487220), (68, 415570), (85, 332456), (116, 243610), (136, 207785), (145, 194888), (170, 166228), (232, 121805), (290, 97444), (340, 83114), (493, 57320), (580, 48722), (680, 41557), (986, 28660), (1160, 24361), (1433, 19720), (1972, 14330), (2465, 11464), (2866, 9860), (3944, 7165), (4930, 5732)]