80216996896

素因数分解:

$2^5\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{643}}^1\times {\mathrm{809}}^1$

素因数の和:1602

約数の個数: 96

約数和(自身を含む): 163002067200

約数和(自身を除く): 82785070304

約数列:

[1, 2, 4, 8, 16, 32, 61, 79, 122, 158, 244, 316, 488, 632, 643, 809, 976, 1264, 1286, 1618, 1952, 2528, 2572, 3236, 4819, 5144, 6472, 9638, 10288, 12944, 19276, 20576, 25888, 38552, 39223, 49349, 50797, 63911, 77104, 78446, 98698, 101594, 127822, 154208, 156892, 197396, 203188, 255644, 313784, 394792, 406376, 511288, 520187, 627568, 789584, 812752, 1022576, 1040374, 1255136, 1579168, 1625504, 2045152, 2080748, 3098617, 3898571, 4161496, 6197234, 7797142, 8322992, 12394468, 15594284, 16645984, 24788936, 31188568, 31731407, 41094773, 49577872, 62377136, 63462814, 82189546, 99155744, 124754272, 126925628, 164379092, 253851256, 328758184, 507702512, 657516368, 1015405024, 1315032736, 2506781153, 5013562306, 10027124612, 20054249224, 40108498448, 80216996896]

約数ペア:

[(1, 80216996896), (2, 40108498448), (4, 20054249224), (8, 10027124612), (16, 5013562306), (32, 2506781153), (61, 1315032736), (79, 1015405024), (122, 657516368), (158, 507702512), (244, 328758184), (316, 253851256), (488, 164379092), (632, 126925628), (643, 124754272), (809, 99155744), (976, 82189546), (1264, 63462814), (1286, 62377136), (1618, 49577872), (1952, 41094773), (2528, 31731407), (2572, 31188568), (3236, 24788936), (4819, 16645984), (5144, 15594284), (6472, 12394468), (9638, 8322992), (10288, 7797142), (12944, 6197234), (19276, 4161496), (20576, 3898571), (25888, 3098617), (38552, 2080748), (39223, 2045152), (49349, 1625504), (50797, 1579168), (63911, 1255136), (77104, 1040374), (78446, 1022576), (98698, 812752), (101594, 789584), (127822, 627568), (154208, 520187), (156892, 511288), (197396, 406376), (203188, 394792), (255644, 313784)]