9987029480

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{2472037}}^1$

素因数の和:2472149

約数の個数: 32

約数和(自身を含む): 22693308840

約数和(自身を除く): 12706279360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 2472037, 4944074, 9888148, 12360185, 19776296, 24720370, 49440740, 98881480, 249675737, 499351474, 998702948, 1248378685, 1997405896, 2496757370, 4993514740, 9987029480]

約数ペア:

[(1, 9987029480), (2, 4993514740), (4, 2496757370), (5, 1997405896), (8, 1248378685), (10, 998702948), (20, 499351474), (40, 249675737), (101, 98881480), (202, 49440740), (404, 24720370), (505, 19776296), (808, 12360185), (1010, 9888148), (2020, 4944074), (4040, 2472037)]