25452440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{48947}}^1$

素因数の和:48971

約数の個数: 32

約数和(自身を含む): 61674480

約数和(自身を除く): 36222040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 48947, 97894, 195788, 244735, 391576, 489470, 636311, 978940, 1272622, 1957880, 2545244, 3181555, 5090488, 6363110, 12726220, 25452440]

約数ペア:

[(1, 25452440), (2, 12726220), (4, 6363110), (5, 5090488), (8, 3181555), (10, 2545244), (13, 1957880), (20, 1272622), (26, 978940), (40, 636311), (52, 489470), (65, 391576), (104, 244735), (130, 195788), (260, 97894), (520, 48947)]