81301300

素因数分解:

$2^2\times 5^2\times {\mathrm{813013}}^1$

素因数の和:813027

約数の個数: 18

約数和(自身を含む): 176424038

約数和(自身を除く): 95122738

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 813013, 1626026, 3252052, 4065065, 8130130, 16260260, 20325325, 40650650, 81301300]

約数ペア:

[(1, 81301300), (2, 40650650), (4, 20325325), (5, 16260260), (10, 8130130), (20, 4065065), (25, 3252052), (50, 1626026), (100, 813013)]