30808840

素因数分解:

$2^3\times 5^1\times {\mathrm{281}}^1\times {\mathrm{2741}}^1$

素因数の和:3033

約数の個数: 32

約数和(自身を含む): 69591960

約数和(自身を除く): 38783120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 281, 562, 1124, 1405, 2248, 2741, 2810, 5482, 5620, 10964, 11240, 13705, 21928, 27410, 54820, 109640, 770221, 1540442, 3080884, 3851105, 6161768, 7702210, 15404420, 30808840]

約数ペア:

[(1, 30808840), (2, 15404420), (4, 7702210), (5, 6161768), (8, 3851105), (10, 3080884), (20, 1540442), (40, 770221), (281, 109640), (562, 54820), (1124, 27410), (1405, 21928), (2248, 13705), (2741, 11240), (2810, 10964), (5482, 5620)]