9939580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{70997}}^1$

素因数の和:71013

約数の個数: 24

約数和(自身を含む): 23855328

約数和(自身を除く): 13915748

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 70997, 141994, 283988, 354985, 496979, 709970, 993958, 1419940, 1987916, 2484895, 4969790, 9939580]

約数ペア:

[(1, 9939580), (2, 4969790), (4, 2484895), (5, 1987916), (7, 1419940), (10, 993958), (14, 709970), (20, 496979), (28, 354985), (35, 283988), (70, 141994), (140, 70997)]