177072080

素因数分解:

$2^4\times 5^1\times {\mathrm{2213401}}^1$

素因数の和:2213414

約数の個数: 20

約数和(自身を含む): 411692772

約数和(自身を除く): 234620692

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2213401, 4426802, 8853604, 11067005, 17707208, 22134010, 35414416, 44268020, 88536040, 177072080]

約数ペア:

[(1, 177072080), (2, 88536040), (4, 44268020), (5, 35414416), (8, 22134010), (10, 17707208), (16, 11067005), (20, 8853604), (40, 4426802), (80, 2213401)]