40686380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{290617}}^1$

素因数の和:290633

約数の個数: 24

約数和(自身を含む): 97647648

約数和(自身を除く): 56961268

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 290617, 581234, 1162468, 1453085, 2034319, 2906170, 4068638, 5812340, 8137276, 10171595, 20343190, 40686380]

約数ペア:

[(1, 40686380), (2, 20343190), (4, 10171595), (5, 8137276), (7, 5812340), (10, 4068638), (14, 2906170), (20, 2034319), (28, 1453085), (35, 1162468), (70, 581234), (140, 290617)]