2536840

素因数分解:

$2^3\times 5^1\times {\mathrm{63421}}^1$

素因数の和:63432

約数の個数: 16

約数和(自身を含む): 5707980

約数和(自身を除く): 3171140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 63421, 126842, 253684, 317105, 507368, 634210, 1268420, 2536840]

約数ペア:

[(1, 2536840), (2, 1268420), (4, 634210), (5, 507368), (8, 317105), (10, 253684), (20, 126842), (40, 63421)]