78160240

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{22721}}^1$

素因数の和:22777

約数の個数: 40

約数和(自身を含む): 185956848

約数和(自身を除く): 107796608

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 22721, 45442, 90884, 113605, 181768, 227210, 363536, 454420, 908840, 977003, 1817680, 1954006, 3908012, 4885015, 7816024, 9770030, 15632048, 19540060, 39080120, 78160240]

約数ペア:

[(1, 78160240), (2, 39080120), (4, 19540060), (5, 15632048), (8, 9770030), (10, 7816024), (16, 4885015), (20, 3908012), (40, 1954006), (43, 1817680), (80, 977003), (86, 908840), (172, 454420), (215, 363536), (344, 227210), (430, 181768), (688, 113605), (860, 90884), (1720, 45442), (3440, 22721)]