251017780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{965453}}^1$

素因数の和:965475

約数の個数: 24

約数和(自身を含む): 567686952

約数和(自身を除く): 316669172

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 965453, 1930906, 3861812, 4827265, 9654530, 12550889, 19309060, 25101778, 50203556, 62754445, 125508890, 251017780]

約数ペア:

[(1, 251017780), (2, 125508890), (4, 62754445), (5, 50203556), (10, 25101778), (13, 19309060), (20, 12550889), (26, 9654530), (52, 4827265), (65, 3861812), (130, 1930906), (260, 965453)]