201425825

素因数分解:

$5^2\times {\mathrm{41}}^2\times {\mathrm{4793}}^1$

素因数の和:4885

約数の個数: 18

約数和(自身を含む): 256061922

約数和(自身を除く): 54636097

約数列:

[1, 5, 25, 41, 205, 1025, 1681, 4793, 8405, 23965, 42025, 119825, 196513, 982565, 4912825, 8057033, 40285165, 201425825]

約数ペア:

[(1, 201425825), (5, 40285165), (25, 8057033), (41, 4912825), (205, 982565), (1025, 196513), (1681, 119825), (4793, 42025), (8405, 23965)]