4056940

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2857}}^1$

素因数の和:2937

約数の個数: 24

約数和(自身を含む): 8642592

約数和(自身を除く): 4585652

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 2857, 5714, 11428, 14285, 28570, 57140, 202847, 405694, 811388, 1014235, 2028470, 4056940]

約数ペア:

[(1, 4056940), (2, 2028470), (4, 1014235), (5, 811388), (10, 405694), (20, 202847), (71, 57140), (142, 28570), (284, 14285), (355, 11428), (710, 5714), (1420, 2857)]