210681280

素因数分解:

$2^6\times 5^1\times {\mathrm{658379}}^1$

素因数の和:658396

約数の個数: 28

約数和(自身を含む): 501685560

約数和(自身を除く): 291004280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 658379, 1316758, 2633516, 3291895, 5267032, 6583790, 10534064, 13167580, 21068128, 26335160, 42136256, 52670320, 105340640, 210681280]

約数ペア:

[(1, 210681280), (2, 105340640), (4, 52670320), (5, 42136256), (8, 26335160), (10, 21068128), (16, 13167580), (20, 10534064), (32, 6583790), (40, 5267032), (64, 3291895), (80, 2633516), (160, 1316758), (320, 658379)]