2018970280

素因数分解:

$2^3\times 5^1\times {\mathrm{50474257}}^1$

素因数の和:50474268

約数の個数: 16

約数和(自身を含む): 4542683220

約数和(自身を除く): 2523712940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 50474257, 100948514, 201897028, 252371285, 403794056, 504742570, 1009485140, 2018970280]

約数ペア:

[(1, 2018970280), (2, 1009485140), (4, 504742570), (5, 403794056), (8, 252371285), (10, 201897028), (20, 100948514), (40, 50474257)]