40570040

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{2957}}^1$

素因数の和:2989

約数の個数: 64

約数和(自身を含む): 106488000

約数和(自身を除く): 65917960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 343, 392, 490, 686, 980, 1372, 1715, 1960, 2744, 2957, 3430, 5914, 6860, 11828, 13720, 14785, 20699, 23656, 29570, 41398, 59140, 82796, 103495, 118280, 144893, 165592, 206990, 289786, 413980, 579572, 724465, 827960, 1014251, 1159144, 1448930, 2028502, 2897860, 4057004, 5071255, 5795720, 8114008, 10142510, 20285020, 40570040]

約数ペア:

[(1, 40570040), (2, 20285020), (4, 10142510), (5, 8114008), (7, 5795720), (8, 5071255), (10, 4057004), (14, 2897860), (20, 2028502), (28, 1448930), (35, 1159144), (40, 1014251), (49, 827960), (56, 724465), (70, 579572), (98, 413980), (140, 289786), (196, 206990), (245, 165592), (280, 144893), (343, 118280), (392, 103495), (490, 82796), (686, 59140), (980, 41398), (1372, 29570), (1715, 23656), (1960, 20699), (2744, 14785), (2957, 13720), (3430, 11828), (5914, 6860)]