39913156940

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{28107857}}^1$

素因数の和:28107937

約数の個数: 24

約数和(自身を含む): 84998162592

約数和(自身を除く): 45085005652

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 28107857, 56215714, 112431428, 140539285, 281078570, 562157140, 1995657847, 3991315694, 7982631388, 9978289235, 19956578470, 39913156940]

約数ペア:

[(1, 39913156940), (2, 19956578470), (4, 9978289235), (5, 7982631388), (10, 3991315694), (20, 1995657847), (71, 562157140), (142, 281078570), (284, 140539285), (355, 112431428), (710, 56215714), (1420, 28107857)]