5121520

素因数分解:

$2^4\times 5^1\times {\mathrm{64019}}^1$

素因数の和:64032

約数の個数: 20

約数和(自身を含む): 11907720

約数和(自身を除く): 6786200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 64019, 128038, 256076, 320095, 512152, 640190, 1024304, 1280380, 2560760, 5121520]

約数ペア:

[(1, 5121520), (2, 2560760), (4, 1280380), (5, 1024304), (8, 640190), (10, 512152), (16, 320095), (20, 256076), (40, 128038), (80, 64019)]