2891840

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{1291}}^1$

素因数の和:1315

約数の個数: 56

約数和(自身を含む): 7876032

約数和(自身を除く): 4984192

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 1291, 2240, 2582, 5164, 6455, 9037, 10328, 12910, 18074, 20656, 25820, 36148, 41312, 45185, 51640, 72296, 82624, 90370, 103280, 144592, 180740, 206560, 289184, 361480, 413120, 578368, 722960, 1445920, 2891840]

約数ペア:

[(1, 2891840), (2, 1445920), (4, 722960), (5, 578368), (7, 413120), (8, 361480), (10, 289184), (14, 206560), (16, 180740), (20, 144592), (28, 103280), (32, 90370), (35, 82624), (40, 72296), (56, 51640), (64, 45185), (70, 41312), (80, 36148), (112, 25820), (140, 20656), (160, 18074), (224, 12910), (280, 10328), (320, 9037), (448, 6455), (560, 5164), (1120, 2582), (1291, 2240)]