15690865016920

素因数分解:

$2^3\times 5^1\times {\mathrm{1223}}^1\times {\mathrm{320745401}}^1$

素因数の和:320746635

約数の個数: 32

約数和(自身を含む): 35333313484320

約数和(自身を除く): 19642448467400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1223, 2446, 4892, 6115, 9784, 12230, 24460, 48920, 320745401, 641490802, 1282981604, 1603727005, 2565963208, 3207454010, 6414908020, 12829816040, 392271625423, 784543250846, 1569086501692, 1961358127115, 3138173003384, 3922716254230, 7845432508460, 15690865016920]

約数ペア:

[(1, 15690865016920), (2, 7845432508460), (4, 3922716254230), (5, 3138173003384), (8, 1961358127115), (10, 1569086501692), (20, 784543250846), (40, 392271625423), (1223, 12829816040), (2446, 6414908020), (4892, 3207454010), (6115, 2565963208), (9784, 1603727005), (12230, 1282981604), (24460, 641490802), (48920, 320745401)]