25374860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{859}}^1$

素因数の和:1086

約数の個数: 48

約数和(自身を含む): 61259520

約数和(自身を除く): 35884660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 211, 422, 844, 859, 1055, 1477, 1718, 2110, 2954, 3436, 4220, 4295, 5908, 6013, 7385, 8590, 12026, 14770, 17180, 24052, 29540, 30065, 60130, 120260, 181249, 362498, 724996, 906245, 1268743, 1812490, 2537486, 3624980, 5074972, 6343715, 12687430, 25374860]

約数ペア:

[(1, 25374860), (2, 12687430), (4, 6343715), (5, 5074972), (7, 3624980), (10, 2537486), (14, 1812490), (20, 1268743), (28, 906245), (35, 724996), (70, 362498), (140, 181249), (211, 120260), (422, 60130), (844, 30065), (859, 29540), (1055, 24052), (1477, 17180), (1718, 14770), (2110, 12026), (2954, 8590), (3436, 7385), (4220, 6013), (4295, 5908)]