6456820

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{2857}}^1$

素因数の和:2979

約数の個数: 24

約数和(自身を含む): 13684104

約数和(自身を除く): 7227284

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 2857, 5714, 11428, 14285, 28570, 57140, 322841, 645682, 1291364, 1614205, 3228410, 6456820]

約数ペア:

[(1, 6456820), (2, 3228410), (4, 1614205), (5, 1291364), (10, 645682), (20, 322841), (113, 57140), (226, 28570), (452, 14285), (565, 11428), (1130, 5714), (2260, 2857)]