25650820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{7589}}^1$

素因数の和:7624

約数の個数: 36

約数和(自身を含む): 58336740

約数和(自身を除く): 32685920

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 7589, 15178, 30356, 37945, 75890, 98657, 151780, 197314, 394628, 493285, 986570, 1282541, 1973140, 2565082, 5130164, 6412705, 12825410, 25650820]

約数ペア:

[(1, 25650820), (2, 12825410), (4, 6412705), (5, 5130164), (10, 2565082), (13, 1973140), (20, 1282541), (26, 986570), (52, 493285), (65, 394628), (130, 197314), (169, 151780), (260, 98657), (338, 75890), (676, 37945), (845, 30356), (1690, 15178), (3380, 7589)]