8878940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{63421}}^1$

素因数の和:63437

約数の個数: 24

約数和(自身を含む): 21309792

約数和(自身を除く): 12430852

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 63421, 126842, 253684, 317105, 443947, 634210, 887894, 1268420, 1775788, 2219735, 4439470, 8878940]

約数ペア:

[(1, 8878940), (2, 4439470), (4, 2219735), (5, 1775788), (7, 1268420), (10, 887894), (14, 634210), (20, 443947), (28, 317105), (35, 253684), (70, 126842), (140, 63421)]