820796702960

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{8136367}}^1$

素因数の和:8136490

約数の個数: 80

約数和(自身を含む): 2076336022656

約数和(自身を除く): 1255539319696

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 97, 104, 130, 194, 208, 260, 388, 485, 520, 776, 970, 1040, 1261, 1552, 1940, 2522, 3880, 5044, 6305, 7760, 10088, 12610, 20176, 25220, 50440, 100880, 8136367, 16272734, 32545468, 40681835, 65090936, 81363670, 105772771, 130181872, 162727340, 211545542, 325454680, 423091084, 528863855, 650909360, 789227599, 846182168, 1057727710, 1578455198, 1692364336, 2115455420, 3156910396, 3946137995, 4230910840, 6313820792, 7892275990, 8461821680, 10259958787, 12627641584, 15784551980, 20519917574, 31569103960, 41039835148, 51299793935, 63138207920, 82079670296, 102599587870, 164159340592, 205199175740, 410398351480, 820796702960]

約数ペア:

[(1, 820796702960), (2, 410398351480), (4, 205199175740), (5, 164159340592), (8, 102599587870), (10, 82079670296), (13, 63138207920), (16, 51299793935), (20, 41039835148), (26, 31569103960), (40, 20519917574), (52, 15784551980), (65, 12627641584), (80, 10259958787), (97, 8461821680), (104, 7892275990), (130, 6313820792), (194, 4230910840), (208, 3946137995), (260, 3156910396), (388, 2115455420), (485, 1692364336), (520, 1578455198), (776, 1057727710), (970, 846182168), (1040, 789227599), (1261, 650909360), (1552, 528863855), (1940, 423091084), (2522, 325454680), (3880, 211545542), (5044, 162727340), (6305, 130181872), (7760, 105772771), (10088, 81363670), (12610, 65090936), (20176, 40681835), (25220, 32545468), (50440, 16272734), (100880, 8136367)]