25226440

素因数分解:

$2^3\times 5^1\times {\mathrm{577}}^1\times {\mathrm{1093}}^1$

素因数の和:1681

約数の個数: 32

約数和(自身を含む): 56909880

約数和(自身を除く): 31683440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 577, 1093, 1154, 2186, 2308, 2885, 4372, 4616, 5465, 5770, 8744, 10930, 11540, 21860, 23080, 43720, 630661, 1261322, 2522644, 3153305, 5045288, 6306610, 12613220, 25226440]

約数ペア:

[(1, 25226440), (2, 12613220), (4, 6306610), (5, 5045288), (8, 3153305), (10, 2522644), (20, 1261322), (40, 630661), (577, 43720), (1093, 23080), (1154, 21860), (2186, 11540), (2308, 10930), (2885, 8744), (4372, 5770), (4616, 5465)]