25754840

素因数分解:

$2^3\times 5^1\times {\mathrm{433}}^1\times {\mathrm{1487}}^1$

素因数の和:1931

約数の個数: 32

約数和(自身を含む): 58121280

約数和(自身を除く): 32366440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 433, 866, 1487, 1732, 2165, 2974, 3464, 4330, 5948, 7435, 8660, 11896, 14870, 17320, 29740, 59480, 643871, 1287742, 2575484, 3219355, 5150968, 6438710, 12877420, 25754840]

約数ペア:

[(1, 25754840), (2, 12877420), (4, 6438710), (5, 5150968), (8, 3219355), (10, 2575484), (20, 1287742), (40, 643871), (433, 59480), (866, 29740), (1487, 17320), (1732, 14870), (2165, 11896), (2974, 8660), (3464, 7435), (4330, 5948)]