87027020

素因数分解:

$2^2\times 5^1\times {\mathrm{409}}^1\times {\mathrm{10639}}^1$

素因数の和:11057

約数の個数: 24

約数和(自身を含む): 183220800

約数和(自身を除く): 96193780

約数列:

[1, 2, 4, 5, 10, 20, 409, 818, 1636, 2045, 4090, 8180, 10639, 21278, 42556, 53195, 106390, 212780, 4351351, 8702702, 17405404, 21756755, 43513510, 87027020]

約数ペア:

[(1, 87027020), (2, 43513510), (4, 21756755), (5, 17405404), (10, 8702702), (20, 4351351), (409, 212780), (818, 106390), (1636, 53195), (2045, 42556), (4090, 21278), (8180, 10639)]