90581540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{647011}}^1$

素因数の和:647027

約数の個数: 24

約数和(自身を含む): 217396032

約数和(自身を除く): 126814492

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 647011, 1294022, 2588044, 3235055, 4529077, 6470110, 9058154, 12940220, 18116308, 22645385, 45290770, 90581540]

約数ペア:

[(1, 90581540), (2, 45290770), (4, 22645385), (5, 18116308), (7, 12940220), (10, 9058154), (14, 6470110), (20, 4529077), (28, 3235055), (35, 2588044), (70, 1294022), (140, 647011)]