39212720

素因数分解:

$2^4\times 5^1\times {\mathrm{490159}}^1$

素因数の和:490172

約数の個数: 20

約数和(自身を含む): 91169760

約数和(自身を除く): 51957040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 490159, 980318, 1960636, 2450795, 3921272, 4901590, 7842544, 9803180, 19606360, 39212720]

約数ペア:

[(1, 39212720), (2, 19606360), (4, 9803180), (5, 7842544), (8, 4901590), (10, 3921272), (16, 2450795), (20, 1960636), (40, 980318), (80, 490159)]