320004128

素因数分解:

$2^5\times {\mathrm{89}}^1\times {\mathrm{112361}}^1$

素因数の和:112460

約数の個数: 24

約数和(自身を含む): 637092540

約数和(自身を除く): 317088412

約数列:

[1, 2, 4, 8, 16, 32, 89, 178, 356, 712, 1424, 2848, 112361, 224722, 449444, 898888, 1797776, 3595552, 10000129, 20000258, 40000516, 80001032, 160002064, 320004128]

約数ペア:

[(1, 320004128), (2, 160002064), (4, 80001032), (8, 40000516), (16, 20000258), (32, 10000129), (89, 3595552), (178, 1797776), (356, 898888), (712, 449444), (1424, 224722), (2848, 112361)]