8889405860

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{1699}}^1\times {\mathrm{1997}}^1$

素因数の和:3836

約数の個数: 48

約数和(自身を含む): 18830750400

約数和(自身を除く): 9941344540

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 1699, 1997, 2620, 3398, 3994, 6796, 7988, 8495, 9985, 16990, 19970, 33980, 39940, 222569, 261607, 445138, 523214, 890276, 1046428, 1112845, 1308035, 2225690, 2616070, 3392903, 4451380, 5232140, 6785806, 13571612, 16964515, 33929030, 67858060, 444470293, 888940586, 1777881172, 2222351465, 4444702930, 8889405860]

約数ペア:

[(1, 8889405860), (2, 4444702930), (4, 2222351465), (5, 1777881172), (10, 888940586), (20, 444470293), (131, 67858060), (262, 33929030), (524, 16964515), (655, 13571612), (1310, 6785806), (1699, 5232140), (1997, 4451380), (2620, 3392903), (3398, 2616070), (3994, 2225690), (6796, 1308035), (7988, 1112845), (8495, 1046428), (9985, 890276), (16990, 523214), (19970, 445138), (33980, 261607), (39940, 222569)]