39904340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{285031}}^1$

素因数の和:285047

約数の個数: 24

約数和(自身を含む): 95770752

約数和(自身を除く): 55866412

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 285031, 570062, 1140124, 1425155, 1995217, 2850310, 3990434, 5700620, 7980868, 9976085, 19952170, 39904340]

約数ペア:

[(1, 39904340), (2, 19952170), (4, 9976085), (5, 7980868), (7, 5700620), (10, 3990434), (14, 2850310), (20, 1995217), (28, 1425155), (35, 1140124), (70, 570062), (140, 285031)]