4090820

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{1493}}^1$

素因数の和:1639

約数の個数: 24

約数和(自身を含む): 8659224

約数和(自身を除く): 4568404

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 1493, 2740, 2986, 5972, 7465, 14930, 29860, 204541, 409082, 818164, 1022705, 2045410, 4090820]

約数ペア:

[(1, 4090820), (2, 2045410), (4, 1022705), (5, 818164), (10, 409082), (20, 204541), (137, 29860), (274, 14930), (548, 7465), (685, 5972), (1370, 2986), (1493, 2740)]