80260672

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{1039}}^1$

素因数の和:1139

約数の個数: 56

約数和(自身を含む): 171175680

約数和(自身を除く): 90915008

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 71, 136, 142, 272, 284, 544, 568, 1039, 1088, 1136, 1207, 2078, 2272, 2414, 4156, 4544, 4828, 8312, 9656, 16624, 17663, 19312, 33248, 35326, 38624, 66496, 70652, 73769, 77248, 141304, 147538, 282608, 295076, 565216, 590152, 1130432, 1180304, 1254073, 2360608, 2508146, 4721216, 5016292, 10032584, 20065168, 40130336, 80260672]

約数ペア:

[(1, 80260672), (2, 40130336), (4, 20065168), (8, 10032584), (16, 5016292), (17, 4721216), (32, 2508146), (34, 2360608), (64, 1254073), (68, 1180304), (71, 1130432), (136, 590152), (142, 565216), (272, 295076), (284, 282608), (544, 147538), (568, 141304), (1039, 77248), (1088, 73769), (1136, 70652), (1207, 66496), (2078, 38624), (2272, 35326), (2414, 33248), (4156, 19312), (4544, 17663), (4828, 16624), (8312, 9656)]