2009518880

素因数分解:

$2^5\times 5^1\times {\mathrm{443}}^1\times {\mathrm{28351}}^1$

素因数の和:28809

約数の個数: 48

約数和(自身を含む): 4758372864

約数和(自身を除く): 2748853984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 443, 886, 1772, 2215, 3544, 4430, 7088, 8860, 14176, 17720, 28351, 35440, 56702, 70880, 113404, 141755, 226808, 283510, 453616, 567020, 907232, 1134040, 2268080, 4536160, 12559493, 25118986, 50237972, 62797465, 100475944, 125594930, 200951888, 251189860, 401903776, 502379720, 1004759440, 2009518880]

約数ペア:

[(1, 2009518880), (2, 1004759440), (4, 502379720), (5, 401903776), (8, 251189860), (10, 200951888), (16, 125594930), (20, 100475944), (32, 62797465), (40, 50237972), (80, 25118986), (160, 12559493), (443, 4536160), (886, 2268080), (1772, 1134040), (2215, 907232), (3544, 567020), (4430, 453616), (7088, 283510), (8860, 226808), (14176, 141755), (17720, 113404), (28351, 70880), (35440, 56702)]