25687525

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1319}}^1$

素因数の和:1389

約数の個数: 24

約数和(自身を含む): 34372800

約数和(自身を除く): 8685275

約数列:

[1, 5, 19, 25, 41, 95, 205, 475, 779, 1025, 1319, 3895, 6595, 19475, 25061, 32975, 54079, 125305, 270395, 626525, 1027501, 1351975, 5137505, 25687525]

約数ペア:

[(1, 25687525), (5, 5137505), (19, 1351975), (25, 1027501), (41, 626525), (95, 270395), (205, 125305), (475, 54079), (779, 32975), (1025, 25061), (1319, 19475), (3895, 6595)]