2508020

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1409}}^1$

素因数の和:1507

約数の個数: 24

約数和(自身を含む): 5329800

約数和(自身を除く): 2821780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1409, 1780, 2818, 5636, 7045, 14090, 28180, 125401, 250802, 501604, 627005, 1254010, 2508020]

約数ペア:

[(1, 2508020), (2, 1254010), (4, 627005), (5, 501604), (10, 250802), (20, 125401), (89, 28180), (178, 14090), (356, 7045), (445, 5636), (890, 2818), (1409, 1780)]