55689640

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{463}}^1$

素因数の和:602

約数の個数: 64

約数和(自身を含む): 130959360

約数和(自身を除く): 75269720

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 97, 124, 155, 194, 248, 310, 388, 463, 485, 620, 776, 926, 970, 1240, 1852, 1940, 2315, 3007, 3704, 3880, 4630, 6014, 9260, 12028, 14353, 15035, 18520, 24056, 28706, 30070, 44911, 57412, 60140, 71765, 89822, 114824, 120280, 143530, 179644, 224555, 287060, 359288, 449110, 574120, 898220, 1392241, 1796440, 2784482, 5568964, 6961205, 11137928, 13922410, 27844820, 55689640]

約数ペア:

[(1, 55689640), (2, 27844820), (4, 13922410), (5, 11137928), (8, 6961205), (10, 5568964), (20, 2784482), (31, 1796440), (40, 1392241), (62, 898220), (97, 574120), (124, 449110), (155, 359288), (194, 287060), (248, 224555), (310, 179644), (388, 143530), (463, 120280), (485, 114824), (620, 89822), (776, 71765), (926, 60140), (970, 57412), (1240, 44911), (1852, 30070), (1940, 28706), (2315, 24056), (3007, 18520), (3704, 15035), (3880, 14353), (4630, 12028), (6014, 9260)]