2009388520

素因数分解:

$2^3\times 5^1\times {\mathrm{607}}^1\times {\mathrm{82759}}^1$

素因数の和:83377

約数の個数: 32

約数和(自身を含む): 4528627200

約数和(自身を除く): 2519238680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 607, 1214, 2428, 3035, 4856, 6070, 12140, 24280, 82759, 165518, 331036, 413795, 662072, 827590, 1655180, 3310360, 50234713, 100469426, 200938852, 251173565, 401877704, 502347130, 1004694260, 2009388520]

約数ペア:

[(1, 2009388520), (2, 1004694260), (4, 502347130), (5, 401877704), (8, 251173565), (10, 200938852), (20, 100469426), (40, 50234713), (607, 3310360), (1214, 1655180), (2428, 827590), (3035, 662072), (4856, 413795), (6070, 331036), (12140, 165518), (24280, 82759)]