30800560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{55001}}^1$

素因数の和:55021

約数の個数: 40

約数和(自身を含む): 81842976

約数和(自身を除く): 51042416

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 55001, 110002, 220004, 275005, 385007, 440008, 550010, 770014, 880016, 1100020, 1540028, 1925035, 2200040, 3080056, 3850070, 4400080, 6160112, 7700140, 15400280, 30800560]

約数ペア:

[(1, 30800560), (2, 15400280), (4, 7700140), (5, 6160112), (7, 4400080), (8, 3850070), (10, 3080056), (14, 2200040), (16, 1925035), (20, 1540028), (28, 1100020), (35, 880016), (40, 770014), (56, 550010), (70, 440008), (80, 385007), (112, 275005), (140, 220004), (280, 110002), (560, 55001)]