9807440

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2851}}^1$

素因数の和:2907

約数の個数: 40

約数和(自身を含む): 23340768

約数和(自身を除く): 13533328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 2851, 3440, 5702, 11404, 14255, 22808, 28510, 45616, 57020, 114040, 122593, 228080, 245186, 490372, 612965, 980744, 1225930, 1961488, 2451860, 4903720, 9807440]

約数ペア:

[(1, 9807440), (2, 4903720), (4, 2451860), (5, 1961488), (8, 1225930), (10, 980744), (16, 612965), (20, 490372), (40, 245186), (43, 228080), (80, 122593), (86, 114040), (172, 57020), (215, 45616), (344, 28510), (430, 22808), (688, 14255), (860, 11404), (1720, 5702), (2851, 3440)]