2889210640

素因数分解:

$2^4\times 5^1\times {\mathrm{269}}^1\times {\mathrm{134257}}^1$

素因数の和:134539

約数の個数: 40

約数和(自身を含む): 6742436760

約数和(自身を除く): 3853226120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 269, 538, 1076, 1345, 2152, 2690, 4304, 5380, 10760, 21520, 134257, 268514, 537028, 671285, 1074056, 1342570, 2148112, 2685140, 5370280, 10740560, 36115133, 72230266, 144460532, 180575665, 288921064, 361151330, 577842128, 722302660, 1444605320, 2889210640]

約数ペア:

[(1, 2889210640), (2, 1444605320), (4, 722302660), (5, 577842128), (8, 361151330), (10, 288921064), (16, 180575665), (20, 144460532), (40, 72230266), (80, 36115133), (269, 10740560), (538, 5370280), (1076, 2685140), (1345, 2148112), (2152, 1342570), (2690, 1074056), (4304, 671285), (5380, 537028), (10760, 268514), (21520, 134257)]