2009553880

素因数分解:

$2^3\times 5^1\times {\mathrm{50238847}}^1$

素因数の和:50238858

約数の個数: 16

約数和(自身を含む): 4521496320

約数和(自身を除く): 2511942440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 50238847, 100477694, 200955388, 251194235, 401910776, 502388470, 1004776940, 2009553880]

約数ペア:

[(1, 2009553880), (2, 1004776940), (4, 502388470), (5, 401910776), (8, 251194235), (10, 200955388), (20, 100477694), (40, 50238847)]