51983560

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{30223}}^1$

素因数の和:30277

約数の個数: 32

約数和(自身を含む): 119687040

約数和(自身を除く): 67703480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 30223, 60446, 120892, 151115, 241784, 302230, 604460, 1208920, 1299589, 2599178, 5198356, 6497945, 10396712, 12995890, 25991780, 51983560]

約数ペア:

[(1, 51983560), (2, 25991780), (4, 12995890), (5, 10396712), (8, 6497945), (10, 5198356), (20, 2599178), (40, 1299589), (43, 1208920), (86, 604460), (172, 302230), (215, 241784), (344, 151115), (430, 120892), (860, 60446), (1720, 30223)]