890730560

素因数分解:

$2^6\times 5^1\times {\mathrm{109}}^1\times {\mathrm{25537}}^1$

素因数の和:25663

約数の個数: 56

約数和(自身を含む): 2140595160

約数和(自身を除く): 1249864600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 109, 160, 218, 320, 436, 545, 872, 1090, 1744, 2180, 3488, 4360, 6976, 8720, 17440, 25537, 34880, 51074, 102148, 127685, 204296, 255370, 408592, 510740, 817184, 1021480, 1634368, 2042960, 2783533, 4085920, 5567066, 8171840, 11134132, 13917665, 22268264, 27835330, 44536528, 55670660, 89073056, 111341320, 178146112, 222682640, 445365280, 890730560]

約数ペア:

[(1, 890730560), (2, 445365280), (4, 222682640), (5, 178146112), (8, 111341320), (10, 89073056), (16, 55670660), (20, 44536528), (32, 27835330), (40, 22268264), (64, 13917665), (80, 11134132), (109, 8171840), (160, 5567066), (218, 4085920), (320, 2783533), (436, 2042960), (545, 1634368), (872, 1021480), (1090, 817184), (1744, 510740), (2180, 408592), (3488, 255370), (4360, 204296), (6976, 127685), (8720, 102148), (17440, 51074), (25537, 34880)]