2588840

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1061}}^1$

素因数の和:1133

約数の個数: 32

約数和(自身を含む): 5925960

約数和(自身を除く): 3337120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1061, 1220, 2122, 2440, 4244, 5305, 8488, 10610, 21220, 42440, 64721, 129442, 258884, 323605, 517768, 647210, 1294420, 2588840]

約数ペア:

[(1, 2588840), (2, 1294420), (4, 647210), (5, 517768), (8, 323605), (10, 258884), (20, 129442), (40, 64721), (61, 42440), (122, 21220), (244, 10610), (305, 8488), (488, 5305), (610, 4244), (1061, 2440), (1220, 2122)]