28566940

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{17209}}^1$

素因数の和:17301

約数の個数: 24

約数和(自身を含む): 60716880

約数和(自身を除く): 32149940

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 17209, 34418, 68836, 86045, 172090, 344180, 1428347, 2856694, 5713388, 7141735, 14283470, 28566940]

約数ペア:

[(1, 28566940), (2, 14283470), (4, 7141735), (5, 5713388), (10, 2856694), (20, 1428347), (83, 344180), (166, 172090), (332, 86045), (415, 68836), (830, 34418), (1660, 17209)]