18878551840

素因数分解:

$2^5\times 5^1\times {\mathrm{89}}^1\times {\mathrm{241}}^1\times {\mathrm{5501}}^1$

素因数の和:5846

約数の個数: 96

約数和(自身を含む): 45297085680

約数和(自身を除く): 26418533840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 89, 160, 178, 241, 356, 445, 482, 712, 890, 964, 1205, 1424, 1780, 1928, 2410, 2848, 3560, 3856, 4820, 5501, 7120, 7712, 9640, 11002, 14240, 19280, 21449, 22004, 27505, 38560, 42898, 44008, 55010, 85796, 88016, 107245, 110020, 171592, 176032, 214490, 220040, 343184, 428980, 440080, 489589, 686368, 857960, 880160, 979178, 1325741, 1715920, 1958356, 2447945, 2651482, 3431840, 3916712, 4895890, 5302964, 6628705, 7833424, 9791780, 10605928, 13257410, 15666848, 19583560, 21211856, 26514820, 39167120, 42423712, 53029640, 78334240, 106059280, 117990949, 212118560, 235981898, 471963796, 589954745, 943927592, 1179909490, 1887855184, 2359818980, 3775710368, 4719637960, 9439275920, 18878551840]

約数ペア:

[(1, 18878551840), (2, 9439275920), (4, 4719637960), (5, 3775710368), (8, 2359818980), (10, 1887855184), (16, 1179909490), (20, 943927592), (32, 589954745), (40, 471963796), (80, 235981898), (89, 212118560), (160, 117990949), (178, 106059280), (241, 78334240), (356, 53029640), (445, 42423712), (482, 39167120), (712, 26514820), (890, 21211856), (964, 19583560), (1205, 15666848), (1424, 13257410), (1780, 10605928), (1928, 9791780), (2410, 7833424), (2848, 6628705), (3560, 5302964), (3856, 4895890), (4820, 3916712), (5501, 3431840), (7120, 2651482), (7712, 2447945), (9640, 1958356), (11002, 1715920), (14240, 1325741), (19280, 979178), (21449, 880160), (22004, 857960), (27505, 686368), (38560, 489589), (42898, 440080), (44008, 428980), (55010, 343184), (85796, 220040), (88016, 214490), (107245, 176032), (110020, 171592)]