199480360

素因数分解:

$2^3\times 5^1\times {\mathrm{4987009}}^1$

素因数の和:4987020

約数の個数: 16

約数和(自身を含む): 448830900

約数和(自身を除く): 249350540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4987009, 9974018, 19948036, 24935045, 39896072, 49870090, 99740180, 199480360]

約数ペア:

[(1, 199480360), (2, 99740180), (4, 49870090), (5, 39896072), (8, 24935045), (10, 19948036), (20, 9974018), (40, 4987009)]