25207780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{96953}}^1$

素因数の和:96975

約数の個数: 24

約数和(自身を含む): 57008952

約数和(自身を除く): 31801172

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 96953, 193906, 387812, 484765, 969530, 1260389, 1939060, 2520778, 5041556, 6301945, 12603890, 25207780]

約数ペア:

[(1, 25207780), (2, 12603890), (4, 6301945), (5, 5041556), (10, 2520778), (13, 1939060), (20, 1260389), (26, 969530), (52, 484765), (65, 387812), (130, 193906), (260, 96953)]