520040080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{928643}}^1$

素因数の和:928663

約数の個数: 40

約数和(自身を含む): 1381822272

約数和(自身を除く): 861782192

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 928643, 1857286, 3714572, 4643215, 6500501, 7429144, 9286430, 13001002, 14858288, 18572860, 26002004, 32502505, 37145720, 52004008, 65005010, 74291440, 104008016, 130010020, 260020040, 520040080]

約数ペア:

[(1, 520040080), (2, 260020040), (4, 130010020), (5, 104008016), (7, 74291440), (8, 65005010), (10, 52004008), (14, 37145720), (16, 32502505), (20, 26002004), (28, 18572860), (35, 14858288), (40, 13001002), (56, 9286430), (70, 7429144), (80, 6500501), (112, 4643215), (140, 3714572), (280, 1857286), (560, 928643)]