25345480

素因数分解:

$2^3\times 5^1\times {\mathrm{283}}^1\times {\mathrm{2239}}^1$

素因数の和:2533

約数の個数: 32

約数和(自身を含む): 57254400

約数和(自身を除く): 31908920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 283, 566, 1132, 1415, 2239, 2264, 2830, 4478, 5660, 8956, 11195, 11320, 17912, 22390, 44780, 89560, 633637, 1267274, 2534548, 3168185, 5069096, 6336370, 12672740, 25345480]

約数ペア:

[(1, 25345480), (2, 12672740), (4, 6336370), (5, 5069096), (8, 3168185), (10, 2534548), (20, 1267274), (40, 633637), (283, 89560), (566, 44780), (1132, 22390), (1415, 17912), (2239, 11320), (2264, 11195), (2830, 8956), (4478, 5660)]