8640380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61717}}^1$

素因数の和:61733

約数の個数: 24

約数和(自身を含む): 20737248

約数和(自身を除く): 12096868

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 61717, 123434, 246868, 308585, 432019, 617170, 864038, 1234340, 1728076, 2160095, 4320190, 8640380]

約数ペア:

[(1, 8640380), (2, 4320190), (4, 2160095), (5, 1728076), (7, 1234340), (10, 864038), (14, 617170), (20, 432019), (28, 308585), (35, 246868), (70, 123434), (140, 61717)]