417249620

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{508841}}^1$

素因数の和:508891

約数の個数: 24

約数和(自身を含む): 897597288

約数和(自身を除く): 480347668

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 508841, 1017682, 2035364, 2544205, 5088410, 10176820, 20862481, 41724962, 83449924, 104312405, 208624810, 417249620]

約数ペア:

[(1, 417249620), (2, 208624810), (4, 104312405), (5, 83449924), (10, 41724962), (20, 20862481), (41, 10176820), (82, 5088410), (164, 2544205), (205, 2035364), (410, 1017682), (820, 508841)]