26249925

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1$

素因数の和:167

約数の個数: 72

約数和(自身を含む): 49922400

約数和(自身を除く): 23672475

約数列:

[1, 3, 5, 13, 15, 19, 25, 39, 57, 65, 75, 95, 109, 169, 195, 247, 285, 325, 327, 475, 507, 545, 741, 845, 975, 1235, 1417, 1425, 1635, 2071, 2535, 2725, 3211, 3705, 4225, 4251, 6175, 6213, 7085, 8175, 9633, 10355, 12675, 16055, 18421, 18525, 21255, 26923, 31065, 35425, 48165, 51775, 55263, 80275, 80769, 92105, 106275, 134615, 155325, 240825, 276315, 349999, 403845, 460525, 673075, 1049997, 1381575, 1749995, 2019225, 5249985, 8749975, 26249925]

約数ペア:

[(1, 26249925), (3, 8749975), (5, 5249985), (13, 2019225), (15, 1749995), (19, 1381575), (25, 1049997), (39, 673075), (57, 460525), (65, 403845), (75, 349999), (95, 276315), (109, 240825), (169, 155325), (195, 134615), (247, 106275), (285, 92105), (325, 80769), (327, 80275), (475, 55263), (507, 51775), (545, 48165), (741, 35425), (845, 31065), (975, 26923), (1235, 21255), (1417, 18525), (1425, 18421), (1635, 16055), (2071, 12675), (2535, 10355), (2725, 9633), (3211, 8175), (3705, 7085), (4225, 6213), (4251, 6175)]