56871080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{2011}}^1$

素因数の和:2130

約数の個数: 64

約数和(自身を含む): 147761280

約数和(自身を除く): 90890200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 101, 140, 202, 280, 404, 505, 707, 808, 1010, 1414, 2011, 2020, 2828, 3535, 4022, 4040, 5656, 7070, 8044, 10055, 14077, 14140, 16088, 20110, 28154, 28280, 40220, 56308, 70385, 80440, 112616, 140770, 203111, 281540, 406222, 563080, 812444, 1015555, 1421777, 1624888, 2031110, 2843554, 4062220, 5687108, 7108885, 8124440, 11374216, 14217770, 28435540, 56871080]

約数ペア:

[(1, 56871080), (2, 28435540), (4, 14217770), (5, 11374216), (7, 8124440), (8, 7108885), (10, 5687108), (14, 4062220), (20, 2843554), (28, 2031110), (35, 1624888), (40, 1421777), (56, 1015555), (70, 812444), (101, 563080), (140, 406222), (202, 281540), (280, 203111), (404, 140770), (505, 112616), (707, 80440), (808, 70385), (1010, 56308), (1414, 40220), (2011, 28280), (2020, 28154), (2828, 20110), (3535, 16088), (4022, 14140), (4040, 14077), (5656, 10055), (7070, 8044)]