2858867840

素因数分解:

$2^7\times 5^1\times {\mathrm{4466981}}^1$

素因数の和:4467000

約数の個数: 32

約数和(自身を含む): 6834482460

約数和(自身を除く): 3975614620

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 4466981, 8933962, 17867924, 22334905, 35735848, 44669810, 71471696, 89339620, 142943392, 178679240, 285886784, 357358480, 571773568, 714716960, 1429433920, 2858867840]

約数ペア:

[(1, 2858867840), (2, 1429433920), (4, 714716960), (5, 571773568), (8, 357358480), (10, 285886784), (16, 178679240), (20, 142943392), (32, 89339620), (40, 71471696), (64, 44669810), (80, 35735848), (128, 22334905), (160, 17867924), (320, 8933962), (640, 4466981)]