9203720

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{5351}}^1$

素因数の和:5405

約数の個数: 32

約数和(自身を含む): 21193920

約数和(自身を除く): 11990200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 5351, 10702, 21404, 26755, 42808, 53510, 107020, 214040, 230093, 460186, 920372, 1150465, 1840744, 2300930, 4601860, 9203720]

約数ペア:

[(1, 9203720), (2, 4601860), (4, 2300930), (5, 1840744), (8, 1150465), (10, 920372), (20, 460186), (40, 230093), (43, 214040), (86, 107020), (172, 53510), (215, 42808), (344, 26755), (430, 21404), (860, 10702), (1720, 5351)]