38561840

素因数分解:

$2^4\times 5^1\times {\mathrm{509}}^1\times {\mathrm{947}}^1$

素因数の和:1469

約数の個数: 40

約数和(自身を含む): 89927280

約数和(自身を除く): 51365440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 509, 947, 1018, 1894, 2036, 2545, 3788, 4072, 4735, 5090, 7576, 8144, 9470, 10180, 15152, 18940, 20360, 37880, 40720, 75760, 482023, 964046, 1928092, 2410115, 3856184, 4820230, 7712368, 9640460, 19280920, 38561840]

約数ペア:

[(1, 38561840), (2, 19280920), (4, 9640460), (5, 7712368), (8, 4820230), (10, 3856184), (16, 2410115), (20, 1928092), (40, 964046), (80, 482023), (509, 75760), (947, 40720), (1018, 37880), (1894, 20360), (2036, 18940), (2545, 15152), (3788, 10180), (4072, 9470), (4735, 8144), (5090, 7576)]