39442640

素因数分解:

$2^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{3547}}^1$

素因数の和:3699

約数の個数: 40

約数和(自身を含む): 92389920

約数和(自身を除く): 52947280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 139, 278, 556, 695, 1112, 1390, 2224, 2780, 3547, 5560, 7094, 11120, 14188, 17735, 28376, 35470, 56752, 70940, 141880, 283760, 493033, 986066, 1972132, 2465165, 3944264, 4930330, 7888528, 9860660, 19721320, 39442640]

約数ペア:

[(1, 39442640), (2, 19721320), (4, 9860660), (5, 7888528), (8, 4930330), (10, 3944264), (16, 2465165), (20, 1972132), (40, 986066), (80, 493033), (139, 283760), (278, 141880), (556, 70940), (695, 56752), (1112, 35470), (1390, 28376), (2224, 17735), (2780, 14188), (3547, 11120), (5560, 7094)]