87001300

素因数分解:

$2^2\times 5^2\times {\mathrm{870013}}^1$

素因数の和:870027

約数の個数: 18

約数和(自身を含む): 188793038

約数和(自身を除く): 101791738

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 870013, 1740026, 3480052, 4350065, 8700130, 17400260, 21750325, 43500650, 87001300]

約数ペア:

[(1, 87001300), (2, 43500650), (4, 21750325), (5, 17400260), (10, 8700130), (20, 4350065), (25, 3480052), (50, 1740026), (100, 870013)]