25079905

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1$

素因数の和:249

約数の個数: 32

約数和(自身を含む): 33384960

約数和(自身を除く): 8305055

約数列:

[1, 5, 19, 41, 47, 95, 137, 205, 235, 685, 779, 893, 1927, 2603, 3895, 4465, 5617, 6439, 9635, 13015, 28085, 32195, 36613, 106723, 122341, 183065, 263999, 533615, 611705, 1319995, 5015981, 25079905]

約数ペア:

[(1, 25079905), (5, 5015981), (19, 1319995), (41, 611705), (47, 533615), (95, 263999), (137, 183065), (205, 122341), (235, 106723), (685, 36613), (779, 32195), (893, 28085), (1927, 13015), (2603, 9635), (3895, 6439), (4465, 5617)]