25588840

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{5869}}^1$

素因数の和:5989

約数の個数: 32

約数和(自身を含む): 58113000

約数和(自身を除く): 32524160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 5869, 11738, 23476, 29345, 46952, 58690, 117380, 234760, 639721, 1279442, 2558884, 3198605, 5117768, 6397210, 12794420, 25588840]

約数ペア:

[(1, 25588840), (2, 12794420), (4, 6397210), (5, 5117768), (8, 3198605), (10, 2558884), (20, 1279442), (40, 639721), (109, 234760), (218, 117380), (436, 58690), (545, 46952), (872, 29345), (1090, 23476), (2180, 11738), (4360, 5869)]