15782680

素因数分解:

$2^3\times 5^1\times {\mathrm{229}}^1\times {\mathrm{1723}}^1$

素因数の和:1963

約数の個数: 32

約数和(自身を含む): 35686800

約数和(自身を除く): 19904120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 229, 458, 916, 1145, 1723, 1832, 2290, 3446, 4580, 6892, 8615, 9160, 13784, 17230, 34460, 68920, 394567, 789134, 1578268, 1972835, 3156536, 3945670, 7891340, 15782680]

約数ペア:

[(1, 15782680), (2, 7891340), (4, 3945670), (5, 3156536), (8, 1972835), (10, 1578268), (20, 789134), (40, 394567), (229, 68920), (458, 34460), (916, 17230), (1145, 13784), (1723, 9160), (1832, 8615), (2290, 6892), (3446, 4580)]