2813376460

素因数分解:

$2^2\times 5^1\times {\mathrm{8443}}^1\times {\mathrm{16661}}^1$

素因数の和:25113

約数の個数: 24

約数和(自身を含む): 5909144976

約数和(自身を除く): 3095768516

約数列:

[1, 2, 4, 5, 10, 20, 8443, 16661, 16886, 33322, 33772, 42215, 66644, 83305, 84430, 166610, 168860, 333220, 140668823, 281337646, 562675292, 703344115, 1406688230, 2813376460]

約数ペア:

[(1, 2813376460), (2, 1406688230), (4, 703344115), (5, 562675292), (10, 281337646), (20, 140668823), (8443, 333220), (16661, 168860), (16886, 166610), (33322, 84430), (33772, 83305), (42215, 66644)]