139395160

素因数分解:

$2^3\times 5^1\times {\mathrm{3484879}}^1$

素因数の和:3484890

約数の個数: 16

約数和(自身を含む): 313639200

約数和(自身を除く): 174244040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3484879, 6969758, 13939516, 17424395, 27879032, 34848790, 69697580, 139395160]

約数ペア:

[(1, 139395160), (2, 69697580), (4, 34848790), (5, 27879032), (8, 17424395), (10, 13939516), (20, 6969758), (40, 3484879)]