81269180

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{239027}}^1$

素因数の和:239053

約数の個数: 24

約数和(自身を含む): 180705168

約数和(自身を除く): 99435988

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 239027, 478054, 956108, 1195135, 2390270, 4063459, 4780540, 8126918, 16253836, 20317295, 40634590, 81269180]

約数ペア:

[(1, 81269180), (2, 40634590), (4, 20317295), (5, 16253836), (10, 8126918), (17, 4780540), (20, 4063459), (34, 2390270), (68, 1195135), (85, 956108), (170, 478054), (340, 239027)]