87866380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{627617}}^1$

素因数の和:627633

約数の個数: 24

約数和(自身を含む): 210879648

約数和(自身を除く): 123013268

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 627617, 1255234, 2510468, 3138085, 4393319, 6276170, 8786638, 12552340, 17573276, 21966595, 43933190, 87866380]

約数ペア:

[(1, 87866380), (2, 43933190), (4, 21966595), (5, 17573276), (7, 12552340), (10, 8786638), (14, 6276170), (20, 4393319), (28, 3138085), (35, 2510468), (70, 1255234), (140, 627617)]