220023080

素因数分解:

$2^3\times 5^1\times {\mathrm{1297}}^1\times {\mathrm{4241}}^1$

素因数の和:5549

約数の個数: 32

約数和(自身を含む): 495550440

約数和(自身を除く): 275527360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1297, 2594, 4241, 5188, 6485, 8482, 10376, 12970, 16964, 21205, 25940, 33928, 42410, 51880, 84820, 169640, 5500577, 11001154, 22002308, 27502885, 44004616, 55005770, 110011540, 220023080]

約数ペア:

[(1, 220023080), (2, 110011540), (4, 55005770), (5, 44004616), (8, 27502885), (10, 22002308), (20, 11001154), (40, 5500577), (1297, 169640), (2594, 84820), (4241, 51880), (5188, 42410), (6485, 33928), (8482, 25940), (10376, 21205), (12970, 16964)]