16260380

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{4127}}^1$

素因数の和:4333

約数の個数: 24

約数和(自身を含む): 34328448

約数和(自身を除く): 18068068

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 3940, 4127, 8254, 16508, 20635, 41270, 82540, 813019, 1626038, 3252076, 4065095, 8130190, 16260380]

約数ペア:

[(1, 16260380), (2, 8130190), (4, 4065095), (5, 3252076), (10, 1626038), (20, 813019), (197, 82540), (394, 41270), (788, 20635), (985, 16508), (1970, 8254), (3940, 4127)]