16871840

素因数分解:

$2^5\times 5^1\times {\mathrm{105449}}^1$

素因数の和:105464

約数の個数: 24

約数和(自身を含む): 39860100

約数和(自身を除く): 22988260

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 105449, 210898, 421796, 527245, 843592, 1054490, 1687184, 2108980, 3374368, 4217960, 8435920, 16871840]

約数ペア:

[(1, 16871840), (2, 8435920), (4, 4217960), (5, 3374368), (8, 2108980), (10, 1687184), (16, 1054490), (20, 843592), (32, 527245), (40, 421796), (80, 210898), (160, 105449)]