39840220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{284573}}^1$

素因数の和:284589

約数の個数: 24

約数和(自身を含む): 95616864

約数和(自身を除く): 55776644

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 284573, 569146, 1138292, 1422865, 1992011, 2845730, 3984022, 5691460, 7968044, 9960055, 19920110, 39840220]

約数ペア:

[(1, 39840220), (2, 19920110), (4, 9960055), (5, 7968044), (7, 5691460), (10, 3984022), (14, 2845730), (20, 1992011), (28, 1422865), (35, 1138292), (70, 569146), (140, 284573)]