51530128

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1$

素因数の和:129

約数の個数: 120

約数和(自身を含む): 122536800

約数和(自身を除く): 71006672

約数列:

[1, 2, 4, 8, 13, 16, 17, 19, 26, 34, 38, 52, 59, 68, 76, 104, 118, 136, 152, 169, 208, 221, 236, 247, 272, 304, 323, 338, 442, 472, 494, 646, 676, 767, 884, 944, 988, 1003, 1121, 1292, 1352, 1534, 1768, 1976, 2006, 2242, 2584, 2704, 2873, 3068, 3211, 3536, 3952, 4012, 4199, 4484, 5168, 5746, 6136, 6422, 8024, 8398, 8968, 9971, 11492, 12272, 12844, 13039, 14573, 16048, 16796, 17936, 19057, 19942, 22984, 25688, 26078, 29146, 33592, 38114, 39884, 45968, 51376, 52156, 54587, 58292, 67184, 76228, 79768, 104312, 109174, 116584, 152456, 159536, 169507, 189449, 208624, 218348, 233168, 247741, 304912, 339014, 378898, 436696, 495482, 678028, 757796, 873392, 990964, 1356056, 1515592, 1981928, 2712112, 3031184, 3220633, 3963856, 6441266, 12882532, 25765064, 51530128]

約数ペア:

[(1, 51530128), (2, 25765064), (4, 12882532), (8, 6441266), (13, 3963856), (16, 3220633), (17, 3031184), (19, 2712112), (26, 1981928), (34, 1515592), (38, 1356056), (52, 990964), (59, 873392), (68, 757796), (76, 678028), (104, 495482), (118, 436696), (136, 378898), (152, 339014), (169, 304912), (208, 247741), (221, 233168), (236, 218348), (247, 208624), (272, 189449), (304, 169507), (323, 159536), (338, 152456), (442, 116584), (472, 109174), (494, 104312), (646, 79768), (676, 76228), (767, 67184), (884, 58292), (944, 54587), (988, 52156), (1003, 51376), (1121, 45968), (1292, 39884), (1352, 38114), (1534, 33592), (1768, 29146), (1976, 26078), (2006, 25688), (2242, 22984), (2584, 19942), (2704, 19057), (2873, 17936), (3068, 16796), (3211, 16048), (3536, 14573), (3952, 13039), (4012, 12844), (4199, 12272), (4484, 11492), (5168, 9971), (5746, 8968), (6136, 8398), (6422, 8024)]